Home / 187,003.15-280,680.90-98,320.30

Finding the Fourth Proportional to 187,003.15, 280,680.90 and 98,320.30

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Solution

The fourth proportional to 187,003.15, 280,680.90 and 98,320.30 is: 147,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,003.15 : 280,680.90 = 98,320.30 : x
  2. Step 2: Convert to fraction form
    187,003.15/280,680.90 = 98,320.30/x
  3. Step 3: Cross multiply
    187,003.15x = 280,680.90 × 98,320.30
  4. Step 4: Simplify right side
    187,003.15x = 27,596,630,292.27
  5. Step 5: Solve for x
    x = 27,596,630,292.27/187,003.15
  6. Step 6: Final answer
    x = 147,573.08

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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.