Home / 208,344.18-287,500.05-122,306.70

Finding the Fourth Proportional to 208,344.18, 287,500.05 and 122,306.70

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Solution

The fourth proportional to 208,344.18, 287,500.05 and 122,306.70 is: 168,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,344.18 : 287,500.05 = 122,306.70 : x
  2. Step 2: Convert to fraction form
    208,344.18/287,500.05 = 122,306.70/x
  3. Step 3: Cross multiply
    208,344.18x = 287,500.05 × 122,306.70
  4. Step 4: Simplify right side
    208,344.18x = 35,163,182,365.34
  5. Step 5: Solve for x
    x = 35,163,182,365.34/208,344.18
  6. Step 6: Final answer
    x = 168,774.49

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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.