Home / 94,711.40-141,969.90-55,248.20

Finding the Fourth Proportional to 94,711.40, 141,969.90 and 55,248.20

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Solution

The fourth proportional to 94,711.40, 141,969.90 and 55,248.20 is: 82,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,711.40 : 141,969.90 = 55,248.20 : x
  2. Step 2: Convert to fraction form
    94,711.40/141,969.90 = 55,248.20/x
  3. Step 3: Cross multiply
    94,711.40x = 141,969.90 × 55,248.20
  4. Step 4: Simplify right side
    94,711.40x = 7,843,581,429.18
  5. Step 5: Solve for x
    x = 7,843,581,429.18/94,711.40
  6. Step 6: Final answer
    x = 82,815.60

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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.