Home / 84,834.15-127,251.23-34,916.55

Finding the Fourth Proportional to 84,834.15, 127,251.23 and 34,916.55

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Solution

The fourth proportional to 84,834.15, 127,251.23 and 34,916.55 is: 52,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,834.15 : 127,251.23 = 34,916.55 : x
  2. Step 2: Convert to fraction form
    84,834.15/127,251.23 = 34,916.55/x
  3. Step 3: Cross multiply
    84,834.15x = 127,251.23 × 34,916.55
  4. Step 4: Simplify right side
    84,834.15x = 4,443,173,760.27
  5. Step 5: Solve for x
    x = 4,443,173,760.27/84,834.15
  6. Step 6: Final answer
    x = 52,374.83

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1.5x scale

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.