Home / 156,284.72-215,531.18-102,549.32

Finding the Fourth Proportional to 156,284.72, 215,531.18 and 102,549.32

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Solution

The fourth proportional to 156,284.72, 215,531.18 and 102,549.32 is: 141,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,284.72 : 215,531.18 = 102,549.32 : x
  2. Step 2: Convert to fraction form
    156,284.72/215,531.18 = 102,549.32/x
  3. Step 3: Cross multiply
    156,284.72x = 215,531.18 × 102,549.32
  4. Step 4: Simplify right side
    156,284.72x = 22,102,574,357.40
  5. Step 5: Solve for x
    x = 22,102,574,357.40/156,284.72
  6. Step 6: Final answer
    x = 141,425.05

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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.