Home / 208,822.76-287,957.53-123,923.42

Finding the Fourth Proportional to 208,822.76, 287,957.53 and 123,923.42

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Solution

The fourth proportional to 208,822.76, 287,957.53 and 123,923.42 is: 170,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,822.76 : 287,957.53 = 123,923.42 : x
  2. Step 2: Convert to fraction form
    208,822.76/287,957.53 = 123,923.42/x
  3. Step 3: Cross multiply
    208,822.76x = 287,957.53 × 123,923.42
  4. Step 4: Simplify right side
    208,822.76x = 35,684,681,727.31
  5. Step 5: Solve for x
    x = 35,684,681,727.31/208,822.76
  6. Step 6: Final answer
    x = 170,885.02

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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.