Home / 156,740.40-216,300.24-88,755.60

Finding the Fourth Proportional to 156,740.40, 216,300.24 and 88,755.60

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Solution

The fourth proportional to 156,740.40, 216,300.24 and 88,755.60 is: 122,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.40 : 216,300.24 = 88,755.60 : x
  2. Step 2: Convert to fraction form
    156,740.40/216,300.24 = 88,755.60/x
  3. Step 3: Cross multiply
    156,740.40x = 216,300.24 × 88,755.60
  4. Step 4: Simplify right side
    156,740.40x = 19,197,857,581.34
  5. Step 5: Solve for x
    x = 19,197,857,581.34/156,740.40
  6. Step 6: Final answer
    x = 122,481.87

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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.