Home / 148,550.47-204,998.71-80,569.06

Finding the Fourth Proportional to 148,550.47, 204,998.71 and 80,569.06

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Solution

The fourth proportional to 148,550.47, 204,998.71 and 80,569.06 is: 111,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,550.47 : 204,998.71 = 80,569.06 : x
  2. Step 2: Convert to fraction form
    148,550.47/204,998.71 = 80,569.06/x
  3. Step 3: Cross multiply
    148,550.47x = 204,998.71 × 80,569.06
  4. Step 4: Simplify right side
    148,550.47x = 16,516,551,938.07
  5. Step 5: Solve for x
    x = 16,516,551,938.07/148,550.47
  6. Step 6: Final answer
    x = 111,184.79

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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.