Home / 94,884.15-142,349.57-66,858.91

Finding the Fourth Proportional to 94,884.15, 142,349.57 and 66,858.91

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Solution

The fourth proportional to 94,884.15, 142,349.57 and 66,858.91 is: 100,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,884.15 : 142,349.57 = 66,858.91 : x
  2. Step 2: Convert to fraction form
    94,884.15/142,349.57 = 66,858.91/x
  3. Step 3: Cross multiply
    94,884.15x = 142,349.57 × 66,858.91
  4. Step 4: Simplify right side
    94,884.15x = 9,517,337,089.17
  5. Step 5: Solve for x
    x = 9,517,337,089.17/94,884.15
  6. Step 6: Final answer
    x = 100,304.81

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1.5x scale

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.