Home / 103,192.68-142,431.30-62,928.66

Finding the Fourth Proportional to 103,192.68, 142,431.30 and 62,928.66

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Solution

The fourth proportional to 103,192.68, 142,431.30 and 62,928.66 is: 86,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,192.68 : 142,431.30 = 62,928.66 : x
  2. Step 2: Convert to fraction form
    103,192.68/142,431.30 = 62,928.66/x
  3. Step 3: Cross multiply
    103,192.68x = 142,431.30 × 62,928.66
  4. Step 4: Simplify right side
    103,192.68x = 8,963,010,851.06
  5. Step 5: Solve for x
    x = 8,963,010,851.06/103,192.68
  6. Step 6: Final answer
    x = 86,857.04

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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.