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Finding the Fourth Proportional to 112,597.84, 168,840.12 and 37,691.92

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Solution

The fourth proportional to 112,597.84, 168,840.12 and 37,691.92 is: 56,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.84 : 168,840.12 = 37,691.92 : x
  2. Step 2: Convert to fraction form
    112,597.84/168,840.12 = 37,691.92/x
  3. Step 3: Cross multiply
    112,597.84x = 168,840.12 × 37,691.92
  4. Step 4: Simplify right side
    112,597.84x = 6,363,908,295.83
  5. Step 5: Solve for x
    x = 6,363,908,295.83/112,597.84
  6. Step 6: Final answer
    x = 56,518.92

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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.