Home / 272,146.26-408,225.02-99,032.08

Finding the Fourth Proportional to 272,146.26, 408,225.02 and 99,032.08

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Solution

The fourth proportional to 272,146.26, 408,225.02 and 99,032.08 is: 148,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,146.26 : 408,225.02 = 99,032.08 : x
  2. Step 2: Convert to fraction form
    272,146.26/408,225.02 = 99,032.08/x
  3. Step 3: Cross multiply
    272,146.26x = 408,225.02 × 99,032.08
  4. Step 4: Simplify right side
    272,146.26x = 40,427,371,997.45
  5. Step 5: Solve for x
    x = 40,427,371,997.45/272,146.26
  6. Step 6: Final answer
    x = 148,550.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.