Home / 173,454.66-239,407.35-112,919.79

Finding the Fourth Proportional to 173,454.66, 239,407.35 and 112,919.79

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Solution

The fourth proportional to 173,454.66, 239,407.35 and 112,919.79 is: 155,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,454.66 : 239,407.35 = 112,919.79 : x
  2. Step 2: Convert to fraction form
    173,454.66/239,407.35 = 112,919.79/x
  3. Step 3: Cross multiply
    173,454.66x = 239,407.35 × 112,919.79
  4. Step 4: Simplify right side
    173,454.66x = 27,033,827,686.46
  5. Step 5: Solve for x
    x = 27,033,827,686.46/173,454.66
  6. Step 6: Final answer
    x = 155,855.30

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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.