Home / 154,108.95-231,207.72-64,134.15

Finding the Fourth Proportional to 154,108.95, 231,207.72 and 64,134.15

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Solution

The fourth proportional to 154,108.95, 231,207.72 and 64,134.15 is: 96,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,108.95 : 231,207.72 = 64,134.15 : x
  2. Step 2: Convert to fraction form
    154,108.95/231,207.72 = 64,134.15/x
  3. Step 3: Cross multiply
    154,108.95x = 231,207.72 × 64,134.15
  4. Step 4: Simplify right side
    154,108.95x = 14,828,310,595.64
  5. Step 5: Solve for x
    x = 14,828,310,595.64/154,108.95
  6. Step 6: Final answer
    x = 96,219.66

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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.