Home / 112,459.97-155,190.56-61,472.28

Finding the Fourth Proportional to 112,459.97, 155,190.56 and 61,472.28

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Solution

The fourth proportional to 112,459.97, 155,190.56 and 61,472.28 is: 84,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,459.97 : 155,190.56 = 61,472.28 : x
  2. Step 2: Convert to fraction form
    112,459.97/155,190.56 = 61,472.28/x
  3. Step 3: Cross multiply
    112,459.97x = 155,190.56 × 61,472.28
  4. Step 4: Simplify right side
    112,459.97x = 9,539,917,250.32
  5. Step 5: Solve for x
    x = 9,539,917,250.32/112,459.97
  6. Step 6: Final answer
    x = 84,829.45

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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.