Home / 92,938.11-139,265.24-69,130.53

Finding the Fourth Proportional to 92,938.11, 139,265.24 and 69,130.53

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Solution

The fourth proportional to 92,938.11, 139,265.24 and 69,130.53 is: 103,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,938.11 : 139,265.24 = 69,130.53 : x
  2. Step 2: Convert to fraction form
    92,938.11/139,265.24 = 69,130.53/x
  3. Step 3: Cross multiply
    92,938.11x = 139,265.24 × 69,130.53
  4. Step 4: Simplify right side
    92,938.11x = 9,627,479,506.12
  5. Step 5: Solve for x
    x = 9,627,479,506.12/92,938.11
  6. Step 6: Final answer
    x = 103,590.22

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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.