Home / 161,187.60-241,666.20-72,368.40

Finding the Fourth Proportional to 161,187.60, 241,666.20 and 72,368.40

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Solution

The fourth proportional to 161,187.60, 241,666.20 and 72,368.40 is: 108,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,187.60 : 241,666.20 = 72,368.40 : x
  2. Step 2: Convert to fraction form
    161,187.60/241,666.20 = 72,368.40/x
  3. Step 3: Cross multiply
    161,187.60x = 241,666.20 × 72,368.40
  4. Step 4: Simplify right side
    161,187.60x = 17,488,996,228.08
  5. Step 5: Solve for x
    x = 17,488,996,228.08/161,187.60
  6. Step 6: Final answer
    x = 108,500.88

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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.