Home / 187,267.20-280,900.80-134,779.20

Finding the Fourth Proportional to 187,267.20, 280,900.80 and 134,779.20

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Solution

The fourth proportional to 187,267.20, 280,900.80 and 134,779.20 is: 202,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,267.20 : 280,900.80 = 134,779.20 : x
  2. Step 2: Convert to fraction form
    187,267.20/280,900.80 = 134,779.20/x
  3. Step 3: Cross multiply
    187,267.20x = 280,900.80 × 134,779.20
  4. Step 4: Simplify right side
    187,267.20x = 37,859,585,103.36
  5. Step 5: Solve for x
    x = 37,859,585,103.36/187,267.20
  6. Step 6: Final answer
    x = 202,168.80

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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.