Home / 124,030.40-185,989.92-39,775.04

Finding the Fourth Proportional to 124,030.40, 185,989.92 and 39,775.04

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Solution

The fourth proportional to 124,030.40, 185,989.92 and 39,775.04 is: 59,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,030.40 : 185,989.92 = 39,775.04 : x
  2. Step 2: Convert to fraction form
    124,030.40/185,989.92 = 39,775.04/x
  3. Step 3: Cross multiply
    124,030.40x = 185,989.92 × 39,775.04
  4. Step 4: Simplify right side
    124,030.40x = 7,397,756,507.60
  5. Step 5: Solve for x
    x = 7,397,756,507.60/124,030.40
  6. Step 6: Final answer
    x = 59,644.70

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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.