Home / 124,130.28-186,150.06-45,221.16

Finding the Fourth Proportional to 124,130.28, 186,150.06 and 45,221.16

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Solution

The fourth proportional to 124,130.28, 186,150.06 and 45,221.16 is: 67,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130.28 : 186,150.06 = 45,221.16 : x
  2. Step 2: Convert to fraction form
    124,130.28/186,150.06 = 45,221.16/x
  3. Step 3: Cross multiply
    124,130.28x = 186,150.06 × 45,221.16
  4. Step 4: Simplify right side
    124,130.28x = 8,417,921,647.27
  5. Step 5: Solve for x
    x = 8,417,921,647.27/124,130.28
  6. Step 6: Final answer
    x = 67,815.22

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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.