Home / 112,501.40-155,254.17-61,517.31

Finding the Fourth Proportional to 112,501.40, 155,254.17 and 61,517.31

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Solution

The fourth proportional to 112,501.40, 155,254.17 and 61,517.31 is: 84,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,501.40 : 155,254.17 = 61,517.31 : x
  2. Step 2: Convert to fraction form
    112,501.40/155,254.17 = 61,517.31/x
  3. Step 3: Cross multiply
    112,501.40x = 155,254.17 × 61,517.31
  4. Step 4: Simplify right side
    112,501.40x = 9,550,818,904.68
  5. Step 5: Solve for x
    x = 9,550,818,904.68/112,501.40
  6. Step 6: Final answer
    x = 84,895.12

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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.