Home / 98,472.12-147,677.19-31,896.81

Finding the Fourth Proportional to 98,472.12, 147,677.19 and 31,896.81

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Solution

The fourth proportional to 98,472.12, 147,677.19 and 31,896.81 is: 47,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,472.12 : 147,677.19 = 31,896.81 : x
  2. Step 2: Convert to fraction form
    98,472.12/147,677.19 = 31,896.81/x
  3. Step 3: Cross multiply
    98,472.12x = 147,677.19 × 31,896.81
  4. Step 4: Simplify right side
    98,472.12x = 4,710,431,270.76
  5. Step 5: Solve for x
    x = 4,710,431,270.76/98,472.12
  6. Step 6: Final answer
    x = 47,835.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.