Home / 148,509.72-221,461.22-132,376.95

Finding the Fourth Proportional to 148,509.72, 221,461.22 and 132,376.95

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Solution

The fourth proportional to 148,509.72, 221,461.22 and 132,376.95 is: 197,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,509.72 : 221,461.22 = 132,376.95 : x
  2. Step 2: Convert to fraction form
    148,509.72/221,461.22 = 132,376.95/x
  3. Step 3: Cross multiply
    148,509.72x = 221,461.22 × 132,376.95
  4. Step 4: Simplify right side
    148,509.72x = 29,316,361,177.82
  5. Step 5: Solve for x
    x = 29,316,361,177.82/148,509.72
  6. Step 6: Final answer
    x = 197,403.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.