Home / 148,327.04-204,689.28-81,259.52

Finding the Fourth Proportional to 148,327.04, 204,689.28 and 81,259.52

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Solution

The fourth proportional to 148,327.04, 204,689.28 and 81,259.52 is: 112,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,327.04 : 204,689.28 = 81,259.52 : x
  2. Step 2: Convert to fraction form
    148,327.04/204,689.28 = 81,259.52/x
  3. Step 3: Cross multiply
    148,327.04x = 204,689.28 × 81,259.52
  4. Step 4: Simplify right side
    148,327.04x = 16,632,952,641.95
  5. Step 5: Solve for x
    x = 16,632,952,641.95/148,327.04
  6. Step 6: Final answer
    x = 112,137.02

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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.