Home / 148,034.40-221,614.20-130,538.40

Finding the Fourth Proportional to 148,034.40, 221,614.20 and 130,538.40

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Solution

The fourth proportional to 148,034.40, 221,614.20 and 130,538.40 is: 195,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,034.40 : 221,614.20 = 130,538.40 : x
  2. Step 2: Convert to fraction form
    148,034.40/221,614.20 = 130,538.40/x
  3. Step 3: Cross multiply
    148,034.40x = 221,614.20 × 130,538.40
  4. Step 4: Simplify right side
    148,034.40x = 28,929,163,085.28
  5. Step 5: Solve for x
    x = 28,929,163,085.28/148,034.40
  6. Step 6: Final answer
    x = 195,421.90

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1.5x scale

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.