Home / 94,879.81-142,343.07-66,854.59

Finding the Fourth Proportional to 94,879.81, 142,343.07 and 66,854.59

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Solution

The fourth proportional to 94,879.81, 142,343.07 and 66,854.59 is: 100,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,879.81 : 142,343.07 = 66,854.59 : x
  2. Step 2: Convert to fraction form
    94,879.81/142,343.07 = 66,854.59/x
  3. Step 3: Cross multiply
    94,879.81x = 142,343.07 × 66,854.59
  4. Step 4: Simplify right side
    94,879.81x = 9,516,286,538.20
  5. Step 5: Solve for x
    x = 9,516,286,538.20/94,879.81
  6. Step 6: Final answer
    x = 100,298.34

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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.