Home / 187,084.40-280,432.20-102,714.80

Finding the Fourth Proportional to 187,084.40, 280,432.20 and 102,714.80

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Solution

The fourth proportional to 187,084.40, 280,432.20 and 102,714.80 is: 153,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,084.40 : 280,432.20 = 102,714.80 : x
  2. Step 2: Convert to fraction form
    187,084.40/280,432.20 = 102,714.80/x
  3. Step 3: Cross multiply
    187,084.40x = 280,432.20 × 102,714.80
  4. Step 4: Simplify right side
    187,084.40x = 28,804,537,336.56
  5. Step 5: Solve for x
    x = 28,804,537,336.56/187,084.40
  6. Step 6: Final answer
    x = 153,965.47

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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.