Home / 147,090.68-220,482.42-72,107

Finding the Fourth Proportional to 147,090.68, 220,482.42 and 72,107

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Solution

The fourth proportional to 147,090.68, 220,482.42 and 72,107 is: 108,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,090.68 : 220,482.42 = 72,107 : x
  2. Step 2: Convert to fraction form
    147,090.68/220,482.42 = 72,107/x
  3. Step 3: Cross multiply
    147,090.68x = 220,482.42 × 72,107
  4. Step 4: Simplify right side
    147,090.68x = 15,898,325,858.94
  5. Step 5: Solve for x
    x = 15,898,325,858.94/147,090.68
  6. Step 6: Final answer
    x = 108,085.20

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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.