Home / 97,603.16-146,419.28-31,045.44

Finding the Fourth Proportional to 97,603.16, 146,419.28 and 31,045.44

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Solution

The fourth proportional to 97,603.16, 146,419.28 and 31,045.44 is: 46,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,603.16 : 146,419.28 = 31,045.44 : x
  2. Step 2: Convert to fraction form
    97,603.16/146,419.28 = 31,045.44/x
  3. Step 3: Cross multiply
    97,603.16x = 146,419.28 × 31,045.44
  4. Step 4: Simplify right side
    97,603.16x = 4,545,650,972.08
  5. Step 5: Solve for x
    x = 4,545,650,972.08/97,603.16
  6. Step 6: Final answer
    x = 46,572.78

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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.