Home / 208,052.20-287,194.98-132,711.40

Finding the Fourth Proportional to 208,052.20, 287,194.98 and 132,711.40

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Solution

The fourth proportional to 208,052.20, 287,194.98 and 132,711.40 is: 183,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,052.20 : 287,194.98 = 132,711.40 : x
  2. Step 2: Convert to fraction form
    208,052.20/287,194.98 = 132,711.40/x
  3. Step 3: Cross multiply
    208,052.20x = 287,194.98 × 132,711.40
  4. Step 4: Simplify right side
    208,052.20x = 38,114,047,868.77
  5. Step 5: Solve for x
    x = 38,114,047,868.77/208,052.20
  6. Step 6: Final answer
    x = 183,194.64

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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.