Home / 136,085.60-204,126.96-42,592.16

Finding the Fourth Proportional to 136,085.60, 204,126.96 and 42,592.16

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Solution

The fourth proportional to 136,085.60, 204,126.96 and 42,592.16 is: 63,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085.60 : 204,126.96 = 42,592.16 : x
  2. Step 2: Convert to fraction form
    136,085.60/204,126.96 = 42,592.16/x
  3. Step 3: Cross multiply
    136,085.60x = 204,126.96 × 42,592.16
  4. Step 4: Simplify right side
    136,085.60x = 8,694,208,140.63
  5. Step 5: Solve for x
    x = 8,694,208,140.63/136,085.60
  6. Step 6: Final answer
    x = 63,887.79

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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.