Home / 156,941.57-235,481.88-89,471.12

Finding the Fourth Proportional to 156,941.57, 235,481.88 and 89,471.12

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Solution

The fourth proportional to 156,941.57, 235,481.88 and 89,471.12 is: 134,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.57 : 235,481.88 = 89,471.12 : x
  2. Step 2: Convert to fraction form
    156,941.57/235,481.88 = 89,471.12/x
  3. Step 3: Cross multiply
    156,941.57x = 235,481.88 × 89,471.12
  4. Step 4: Simplify right side
    156,941.57x = 21,068,827,543.31
  5. Step 5: Solve for x
    x = 21,068,827,543.31/156,941.57
  6. Step 6: Final answer
    x = 134,246.32

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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.