Home / 147,811.80-221,717.70-88,714.20

Finding the Fourth Proportional to 147,811.80, 221,717.70 and 88,714.20

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Solution

The fourth proportional to 147,811.80, 221,717.70 and 88,714.20 is: 133,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,811.80 : 221,717.70 = 88,714.20 : x
  2. Step 2: Convert to fraction form
    147,811.80/221,717.70 = 88,714.20/x
  3. Step 3: Cross multiply
    147,811.80x = 221,717.70 × 88,714.20
  4. Step 4: Simplify right side
    147,811.80x = 19,669,508,381.34
  5. Step 5: Solve for x
    x = 19,669,508,381.34/147,811.80
  6. Step 6: Final answer
    x = 133,071.30

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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.