Home / 134,433.30-185,516.67-74,002.40

Finding the Fourth Proportional to 134,433.30, 185,516.67 and 74,002.40

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Solution

The fourth proportional to 134,433.30, 185,516.67 and 74,002.40 is: 102,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,433.30 : 185,516.67 = 74,002.40 : x
  2. Step 2: Convert to fraction form
    134,433.30/185,516.67 = 74,002.40/x
  3. Step 3: Cross multiply
    134,433.30x = 185,516.67 × 74,002.40
  4. Step 4: Simplify right side
    134,433.30x = 13,728,677,892.42
  5. Step 5: Solve for x
    x = 13,728,677,892.42/134,433.30
  6. Step 6: Final answer
    x = 102,122.60

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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.