Home / 123,614.20-185,810.10-121,281.40

Finding the Fourth Proportional to 123,614.20, 185,810.10 and 121,281.40

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Solution

The fourth proportional to 123,614.20, 185,810.10 and 121,281.40 is: 182,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,614.20 : 185,810.10 = 121,281.40 : x
  2. Step 2: Convert to fraction form
    123,614.20/185,810.10 = 121,281.40/x
  3. Step 3: Cross multiply
    123,614.20x = 185,810.10 × 121,281.40
  4. Step 4: Simplify right side
    123,614.20x = 22,535,309,062.14
  5. Step 5: Solve for x
    x = 22,535,309,062.14/123,614.20
  6. Step 6: Final answer
    x = 182,303.56

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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.