Home / 180,369.18-248,909.76-99,800.10

Finding the Fourth Proportional to 180,369.18, 248,909.76 and 99,800.10

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Solution

The fourth proportional to 180,369.18, 248,909.76 and 99,800.10 is: 137,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,369.18 : 248,909.76 = 99,800.10 : x
  2. Step 2: Convert to fraction form
    180,369.18/248,909.76 = 99,800.10/x
  3. Step 3: Cross multiply
    180,369.18x = 248,909.76 × 99,800.10
  4. Step 4: Simplify right side
    180,369.18x = 24,841,218,938.98
  5. Step 5: Solve for x
    x = 24,841,218,938.98/180,369.18
  6. Step 6: Final answer
    x = 137,724.30

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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.