Home / 99,359.97-137,146.77-67,547.32

Finding the Fourth Proportional to 99,359.97, 137,146.77 and 67,547.32

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Solution

The fourth proportional to 99,359.97, 137,146.77 and 67,547.32 is: 93,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359.97 : 137,146.77 = 67,547.32 : x
  2. Step 2: Convert to fraction form
    99,359.97/137,146.77 = 67,547.32/x
  3. Step 3: Cross multiply
    99,359.97x = 137,146.77 × 67,547.32
  4. Step 4: Simplify right side
    99,359.97x = 9,263,896,417.29
  5. Step 5: Solve for x
    x = 9,263,896,417.29/99,359.97
  6. Step 6: Final answer
    x = 93,235.70

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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.