Home / 113,084.60-169,626.90-66,390.20

Finding the Fourth Proportional to 113,084.60, 169,626.90 and 66,390.20

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Solution

The fourth proportional to 113,084.60, 169,626.90 and 66,390.20 is: 99,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,084.60 : 169,626.90 = 66,390.20 : x
  2. Step 2: Convert to fraction form
    113,084.60/169,626.90 = 66,390.20/x
  3. Step 3: Cross multiply
    113,084.60x = 169,626.90 × 66,390.20
  4. Step 4: Simplify right side
    113,084.60x = 11,261,563,816.38
  5. Step 5: Solve for x
    x = 11,261,563,816.38/113,084.60
  6. Step 6: Final answer
    x = 99,585.30

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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.