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Finding the Fourth Proportional to 243,545.80, 336,091.08 and 136,114.60

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Solution

The fourth proportional to 243,545.80, 336,091.08 and 136,114.60 is: 187,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,545.80 : 336,091.08 = 136,114.60 : x
  2. Step 2: Convert to fraction form
    243,545.80/336,091.08 = 136,114.60/x
  3. Step 3: Cross multiply
    243,545.80x = 336,091.08 × 136,114.60
  4. Step 4: Simplify right side
    243,545.80x = 45,746,902,917.77
  5. Step 5: Solve for x
    x = 45,746,902,917.77/243,545.80
  6. Step 6: Final answer
    x = 187,836.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.