Home / 112,730.40-169,115.10-37,857.78

Finding the Fourth Proportional to 112,730.40, 169,115.10 and 37,857.78

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Solution

The fourth proportional to 112,730.40, 169,115.10 and 37,857.78 is: 56,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,730.40 : 169,115.10 = 37,857.78 : x
  2. Step 2: Convert to fraction form
    112,730.40/169,115.10 = 37,857.78/x
  3. Step 3: Cross multiply
    112,730.40x = 169,115.10 × 37,857.78
  4. Step 4: Simplify right side
    112,730.40x = 6,402,322,250.48
  5. Step 5: Solve for x
    x = 6,402,322,250.48/112,730.40
  6. Step 6: Final answer
    x = 56,793.22

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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.