Home / 147,609.80-221,414.70-97,746.20

Finding the Fourth Proportional to 147,609.80, 221,414.70 and 97,746.20

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Solution

The fourth proportional to 147,609.80, 221,414.70 and 97,746.20 is: 146,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,609.80 : 221,414.70 = 97,746.20 : x
  2. Step 2: Convert to fraction form
    147,609.80/221,414.70 = 97,746.20/x
  3. Step 3: Cross multiply
    147,609.80x = 221,414.70 × 97,746.20
  4. Step 4: Simplify right side
    147,609.80x = 21,642,445,549.14
  5. Step 5: Solve for x
    x = 21,642,445,549.14/147,609.80
  6. Step 6: Final answer
    x = 146,619.30

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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.