Home / 94,130.80-129,909.48-53,836.66

Finding the Fourth Proportional to 94,130.80, 129,909.48 and 53,836.66

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Solution

The fourth proportional to 94,130.80, 129,909.48 and 53,836.66 is: 74,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,130.80 : 129,909.48 = 53,836.66 : x
  2. Step 2: Convert to fraction form
    94,130.80/129,909.48 = 53,836.66/x
  3. Step 3: Cross multiply
    94,130.80x = 129,909.48 × 53,836.66
  4. Step 4: Simplify right side
    94,130.80x = 6,993,892,505.54
  5. Step 5: Solve for x
    x = 6,993,892,505.54/94,130.80
  6. Step 6: Final answer
    x = 74,299.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.