Home / 147,562.30-221,051.85-80,883.10

Finding the Fourth Proportional to 147,562.30, 221,051.85 and 80,883.10

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Solution

The fourth proportional to 147,562.30, 221,051.85 and 80,883.10 is: 121,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,562.30 : 221,051.85 = 80,883.10 : x
  2. Step 2: Convert to fraction form
    147,562.30/221,051.85 = 80,883.10/x
  3. Step 3: Cross multiply
    147,562.30x = 221,051.85 × 80,883.10
  4. Step 4: Simplify right side
    147,562.30x = 17,879,358,888.74
  5. Step 5: Solve for x
    x = 17,879,358,888.74/147,562.30
  6. Step 6: Final answer
    x = 121,164.82

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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.