Home / 97,352.47-145,972.81-38,118.79

Finding the Fourth Proportional to 97,352.47, 145,972.81 and 38,118.79

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Solution

The fourth proportional to 97,352.47, 145,972.81 and 38,118.79 is: 57,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,352.47 : 145,972.81 = 38,118.79 : x
  2. Step 2: Convert to fraction form
    97,352.47/145,972.81 = 38,118.79/x
  3. Step 3: Cross multiply
    97,352.47x = 145,972.81 × 38,118.79
  4. Step 4: Simplify right side
    97,352.47x = 5,564,306,890.10
  5. Step 5: Solve for x
    x = 5,564,306,890.10/97,352.47
  6. Step 6: Final answer
    x = 57,156.30

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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.