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Finding the Fourth Proportional to 92,925.90, 130,358.70 and 92,925.90

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Solution

The fourth proportional to 92,925.90, 130,358.70 and 92,925.90 is: 130,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,925.90 : 130,358.70 = 92,925.90 : x
  2. Step 2: Convert to fraction form
    92,925.90/130,358.70 = 92,925.90/x
  3. Step 3: Cross multiply
    92,925.90x = 130,358.70 × 92,925.90
  4. Step 4: Simplify right side
    92,925.90x = 12,113,699,520.33
  5. Step 5: Solve for x
    x = 12,113,699,520.33/92,925.90
  6. Step 6: Final answer
    x = 130,358.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.