Home / 154,630.12-231,990.13-64,715.26

Finding the Fourth Proportional to 154,630.12, 231,990.13 and 64,715.26

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Solution

The fourth proportional to 154,630.12, 231,990.13 and 64,715.26 is: 97,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,630.12 : 231,990.13 = 64,715.26 : x
  2. Step 2: Convert to fraction form
    154,630.12/231,990.13 = 64,715.26/x
  3. Step 3: Cross multiply
    154,630.12x = 231,990.13 × 64,715.26
  4. Step 4: Simplify right side
    154,630.12x = 15,013,300,420.43
  5. Step 5: Solve for x
    x = 15,013,300,420.43/154,630.12
  6. Step 6: Final answer
    x = 97,091.70

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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.