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Finding the Fourth Proportional to 147,159.26, 203,100.40 and 85,925.49

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Solution

The fourth proportional to 147,159.26, 203,100.40 and 85,925.49 is: 118,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,159.26 : 203,100.40 = 85,925.49 : x
  2. Step 2: Convert to fraction form
    147,159.26/203,100.40 = 85,925.49/x
  3. Step 3: Cross multiply
    147,159.26x = 203,100.40 × 85,925.49
  4. Step 4: Simplify right side
    147,159.26x = 17,451,500,734.98
  5. Step 5: Solve for x
    x = 17,451,500,734.98/147,159.26
  6. Step 6: Final answer
    x = 118,589.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.