Home / 112,359.49-155,055.17-61,372.25

Finding the Fourth Proportional to 112,359.49, 155,055.17 and 61,372.25

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Solution

The fourth proportional to 112,359.49, 155,055.17 and 61,372.25 is: 84,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,359.49 : 155,055.17 = 61,372.25 : x
  2. Step 2: Convert to fraction form
    112,359.49/155,055.17 = 61,372.25/x
  3. Step 3: Cross multiply
    112,359.49x = 155,055.17 × 61,372.25
  4. Step 4: Simplify right side
    112,359.49x = 9,516,083,574.90
  5. Step 5: Solve for x
    x = 9,516,083,574.90/112,359.49
  6. Step 6: Final answer
    x = 84,693.19

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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.