Home / 112,545.60-168,818.40-29,439.60

Finding the Fourth Proportional to 112,545.60, 168,818.40 and 29,439.60

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Solution

The fourth proportional to 112,545.60, 168,818.40 and 29,439.60 is: 44,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.60 : 168,818.40 = 29,439.60 : x
  2. Step 2: Convert to fraction form
    112,545.60/168,818.40 = 29,439.60/x
  3. Step 3: Cross multiply
    112,545.60x = 168,818.40 × 29,439.60
  4. Step 4: Simplify right side
    112,545.60x = 4,969,946,168.64
  5. Step 5: Solve for x
    x = 4,969,946,168.64/112,545.60
  6. Step 6: Final answer
    x = 44,159.40

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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.