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Finding the Fourth Proportional to 173,460.65, 239,415.62 and 112,925.81

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Solution

The fourth proportional to 173,460.65, 239,415.62 and 112,925.81 is: 155,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,460.65 : 239,415.62 = 112,925.81 : x
  2. Step 2: Convert to fraction form
    173,460.65/239,415.62 = 112,925.81/x
  3. Step 3: Cross multiply
    173,460.65x = 239,415.62 × 112,925.81
  4. Step 4: Simplify right side
    173,460.65x = 27,036,202,849.06
  5. Step 5: Solve for x
    x = 27,036,202,849.06/173,460.65
  6. Step 6: Final answer
    x = 155,863.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.