Home / 98,391.17-147,586.23-38,425.73

Finding the Fourth Proportional to 98,391.17, 147,586.23 and 38,425.73

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Solution

The fourth proportional to 98,391.17, 147,586.23 and 38,425.73 is: 57,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,391.17 : 147,586.23 = 38,425.73 : x
  2. Step 2: Convert to fraction form
    98,391.17/147,586.23 = 38,425.73/x
  3. Step 3: Cross multiply
    98,391.17x = 147,586.23 × 38,425.73
  4. Step 4: Simplify right side
    98,391.17x = 5,671,107,887.77
  5. Step 5: Solve for x
    x = 5,671,107,887.77/98,391.17
  6. Step 6: Final answer
    x = 57,638.39

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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.