Home / 148,719.40-223,079.10-133,685.80

Finding the Fourth Proportional to 148,719.40, 223,079.10 and 133,685.80

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Solution

The fourth proportional to 148,719.40, 223,079.10 and 133,685.80 is: 200,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,719.40 : 223,079.10 = 133,685.80 : x
  2. Step 2: Convert to fraction form
    148,719.40/223,079.10 = 133,685.80/x
  3. Step 3: Cross multiply
    148,719.40x = 223,079.10 × 133,685.80
  4. Step 4: Simplify right side
    148,719.40x = 29,822,507,946.78
  5. Step 5: Solve for x
    x = 29,822,507,946.78/148,719.40
  6. Step 6: Final answer
    x = 200,528.70

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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.