Home / 187,020.48-280,779.04-87,250.45

Finding the Fourth Proportional to 187,020.48, 280,779.04 and 87,250.45

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Solution

The fourth proportional to 187,020.48, 280,779.04 and 87,250.45 is: 130,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,020.48 : 280,779.04 = 87,250.45 : x
  2. Step 2: Convert to fraction form
    187,020.48/280,779.04 = 87,250.45/x
  3. Step 3: Cross multiply
    187,020.48x = 280,779.04 × 87,250.45
  4. Step 4: Simplify right side
    187,020.48x = 24,498,097,590.57
  5. Step 5: Solve for x
    x = 24,498,097,590.57/187,020.48
  6. Step 6: Final answer
    x = 130,991.52

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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.