Home / 187,013.55-280,525.98-60,650.31

Finding the Fourth Proportional to 187,013.55, 280,525.98 and 60,650.31

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Solution

The fourth proportional to 187,013.55, 280,525.98 and 60,650.31 is: 90,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,013.55 : 280,525.98 = 60,650.31 : x
  2. Step 2: Convert to fraction form
    187,013.55/280,525.98 = 60,650.31/x
  3. Step 3: Cross multiply
    187,013.55x = 280,525.98 × 60,650.31
  4. Step 4: Simplify right side
    187,013.55x = 17,013,987,650.05
  5. Step 5: Solve for x
    x = 17,013,987,650.05/187,013.55
  6. Step 6: Final answer
    x = 90,977.30

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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.