Home / 134,432.20-201,648.30-128,673.10

Finding the Fourth Proportional to 134,432.20, 201,648.30 and 128,673.10

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Solution

The fourth proportional to 134,432.20, 201,648.30 and 128,673.10 is: 193,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,432.20 : 201,648.30 = 128,673.10 : x
  2. Step 2: Convert to fraction form
    134,432.20/201,648.30 = 128,673.10/x
  3. Step 3: Cross multiply
    134,432.20x = 201,648.30 × 128,673.10
  4. Step 4: Simplify right side
    134,432.20x = 25,946,711,870.73
  5. Step 5: Solve for x
    x = 25,946,711,870.73/134,432.20
  6. Step 6: Final answer
    x = 193,009.65

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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.