Home / 112,880.58-169,330.08-56,691.78

Finding the Fourth Proportional to 112,880.58, 169,330.08 and 56,691.78

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Solution

The fourth proportional to 112,880.58, 169,330.08 and 56,691.78 is: 85,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,880.58 : 169,330.08 = 56,691.78 : x
  2. Step 2: Convert to fraction form
    112,880.58/169,330.08 = 56,691.78/x
  3. Step 3: Cross multiply
    112,880.58x = 169,330.08 × 56,691.78
  4. Step 4: Simplify right side
    112,880.58x = 9,599,623,359.28
  5. Step 5: Solve for x
    x = 9,599,623,359.28/112,880.58
  6. Step 6: Final answer
    x = 85,042.30

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1.5x scale

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.