Home / 173,454.39-239,407.07-112,919.63

Finding the Fourth Proportional to 173,454.39, 239,407.07 and 112,919.63

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Solution

The fourth proportional to 173,454.39, 239,407.07 and 112,919.63 is: 155,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,454.39 : 239,407.07 = 112,919.63 : x
  2. Step 2: Convert to fraction form
    173,454.39/239,407.07 = 112,919.63/x
  3. Step 3: Cross multiply
    173,454.39x = 239,407.07 × 112,919.63
  4. Step 4: Simplify right side
    173,454.39x = 27,033,756,002.15
  5. Step 5: Solve for x
    x = 27,033,756,002.15/173,454.39
  6. Step 6: Final answer
    x = 155,855.13

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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.