Home / 157,182.12-235,775.64-87,504.28

Finding the Fourth Proportional to 157,182.12, 235,775.64 and 87,504.28

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Solution

The fourth proportional to 157,182.12, 235,775.64 and 87,504.28 is: 131,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,182.12 : 235,775.64 = 87,504.28 : x
  2. Step 2: Convert to fraction form
    157,182.12/235,775.64 = 87,504.28/x
  3. Step 3: Cross multiply
    157,182.12x = 235,775.64 × 87,504.28
  4. Step 4: Simplify right side
    157,182.12x = 20,631,377,619.74
  5. Step 5: Solve for x
    x = 20,631,377,619.74/157,182.12
  6. Step 6: Final answer
    x = 131,257.79

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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.