Home / 145,233.20-217,849.80-130,948.40

Finding the Fourth Proportional to 145,233.20, 217,849.80 and 130,948.40

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Solution

The fourth proportional to 145,233.20, 217,849.80 and 130,948.40 is: 196,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,233.20 : 217,849.80 = 130,948.40 : x
  2. Step 2: Convert to fraction form
    145,233.20/217,849.80 = 130,948.40/x
  3. Step 3: Cross multiply
    145,233.20x = 217,849.80 × 130,948.40
  4. Step 4: Simplify right side
    145,233.20x = 28,527,082,750.32
  5. Step 5: Solve for x
    x = 28,527,082,750.32/145,233.20
  6. Step 6: Final answer
    x = 196,422.60

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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.