Home / 112,553.40-168,853.92-42,433.32

Finding the Fourth Proportional to 112,553.40, 168,853.92 and 42,433.32

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Solution

The fourth proportional to 112,553.40, 168,853.92 and 42,433.32 is: 63,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,553.40 : 168,853.92 = 42,433.32 : x
  2. Step 2: Convert to fraction form
    112,553.40/168,853.92 = 42,433.32/x
  3. Step 3: Cross multiply
    112,553.40x = 168,853.92 × 42,433.32
  4. Step 4: Simplify right side
    112,553.40x = 7,165,032,420.61
  5. Step 5: Solve for x
    x = 7,165,032,420.61/112,553.40
  6. Step 6: Final answer
    x = 63,658.96

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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.