Home / 238,225.15-357,001.78-131,657.10

Finding the Fourth Proportional to 238,225.15, 357,001.78 and 131,657.10

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Solution

The fourth proportional to 238,225.15, 357,001.78 and 131,657.10 is: 197,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,225.15 : 357,001.78 = 131,657.10 : x
  2. Step 2: Convert to fraction form
    238,225.15/357,001.78 = 131,657.10/x
  3. Step 3: Cross multiply
    238,225.15x = 357,001.78 × 131,657.10
  4. Step 4: Simplify right side
    238,225.15x = 47,001,819,049.64
  5. Step 5: Solve for x
    x = 47,001,819,049.64/238,225.15
  6. Step 6: Final answer
    x = 197,299.99

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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.