Home / 156,883.20-216,419.06-102,467.24

Finding the Fourth Proportional to 156,883.20, 216,419.06 and 102,467.24

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Solution

The fourth proportional to 156,883.20, 216,419.06 and 102,467.24 is: 141,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,883.20 : 216,419.06 = 102,467.24 : x
  2. Step 2: Convert to fraction form
    156,883.20/216,419.06 = 102,467.24/x
  3. Step 3: Cross multiply
    156,883.20x = 216,419.06 × 102,467.24
  4. Step 4: Simplify right side
    156,883.20x = 22,175,863,761.59
  5. Step 5: Solve for x
    x = 22,175,863,761.59/156,883.20
  6. Step 6: Final answer
    x = 141,352.70

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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.