Home / 151,711.80-227,312.55-120,000.30

Finding the Fourth Proportional to 151,711.80, 227,312.55 and 120,000.30

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Solution

The fourth proportional to 151,711.80, 227,312.55 and 120,000.30 is: 179,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,711.80 : 227,312.55 = 120,000.30 : x
  2. Step 2: Convert to fraction form
    151,711.80/227,312.55 = 120,000.30/x
  3. Step 3: Cross multiply
    151,711.80x = 227,312.55 × 120,000.30
  4. Step 4: Simplify right side
    151,711.80x = 27,277,574,193.77
  5. Step 5: Solve for x
    x = 27,277,574,193.77/151,711.80
  6. Step 6: Final answer
    x = 179,798.63

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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.