Home / 187,054.20-280,581.30-153,811.80

Finding the Fourth Proportional to 187,054.20, 280,581.30 and 153,811.80

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Solution

The fourth proportional to 187,054.20, 280,581.30 and 153,811.80 is: 230,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,054.20 : 280,581.30 = 153,811.80 : x
  2. Step 2: Convert to fraction form
    187,054.20/280,581.30 = 153,811.80/x
  3. Step 3: Cross multiply
    187,054.20x = 280,581.30 × 153,811.80
  4. Step 4: Simplify right side
    187,054.20x = 43,156,714,799.34
  5. Step 5: Solve for x
    x = 43,156,714,799.34/187,054.20
  6. Step 6: Final answer
    x = 230,717.70

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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.