Home / 131,152.64-196,580.12-115,327.08

Finding the Fourth Proportional to 131,152.64, 196,580.12 and 115,327.08

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Solution

The fourth proportional to 131,152.64, 196,580.12 and 115,327.08 is: 172,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,152.64 : 196,580.12 = 115,327.08 : x
  2. Step 2: Convert to fraction form
    131,152.64/196,580.12 = 115,327.08/x
  3. Step 3: Cross multiply
    131,152.64x = 196,580.12 × 115,327.08
  4. Step 4: Simplify right side
    131,152.64x = 22,671,011,225.65
  5. Step 5: Solve for x
    x = 22,671,011,225.65/131,152.64
  6. Step 6: Final answer
    x = 172,859.74

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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.