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Finding the Fourth Proportional to 180,035.68, 248,454.26 and 99,468.40

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Solution

The fourth proportional to 180,035.68, 248,454.26 and 99,468.40 is: 137,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,035.68 : 248,454.26 = 99,468.40 : x
  2. Step 2: Convert to fraction form
    180,035.68/248,454.26 = 99,468.40/x
  3. Step 3: Cross multiply
    180,035.68x = 248,454.26 × 99,468.40
  4. Step 4: Simplify right side
    180,035.68x = 24,713,347,715.38
  5. Step 5: Solve for x
    x = 24,713,347,715.38/180,035.68
  6. Step 6: Final answer
    x = 137,269.17

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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.