Home / 84,810.10-127,166.55-25,636.90

Finding the Fourth Proportional to 84,810.10, 127,166.55 and 25,636.90

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Solution

The fourth proportional to 84,810.10, 127,166.55 and 25,636.90 is: 38,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,810.10 : 127,166.55 = 25,636.90 : x
  2. Step 2: Convert to fraction form
    84,810.10/127,166.55 = 25,636.90/x
  3. Step 3: Cross multiply
    84,810.10x = 127,166.55 × 25,636.90
  4. Step 4: Simplify right side
    84,810.10x = 3,260,156,125.70
  5. Step 5: Solve for x
    x = 3,260,156,125.70/84,810.10
  6. Step 6: Final answer
    x = 38,440.66

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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.