Home / 82,862.40-124,293.60-74,114.40

Finding the Fourth Proportional to 82,862.40, 124,293.60 and 74,114.40

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Solution

The fourth proportional to 82,862.40, 124,293.60 and 74,114.40 is: 111,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,862.40 : 124,293.60 = 74,114.40 : x
  2. Step 2: Convert to fraction form
    82,862.40/124,293.60 = 74,114.40/x
  3. Step 3: Cross multiply
    82,862.40x = 124,293.60 × 74,114.40
  4. Step 4: Simplify right side
    82,862.40x = 9,211,945,587.84
  5. Step 5: Solve for x
    x = 9,211,945,587.84/82,862.40
  6. Step 6: Final answer
    x = 111,171.60

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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.