Home / 157,119.52-235,679.75-38,790.87

Finding the Fourth Proportional to 157,119.52, 235,679.75 and 38,790.87

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Solution

The fourth proportional to 157,119.52, 235,679.75 and 38,790.87 is: 58,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,119.52 : 235,679.75 = 38,790.87 : x
  2. Step 2: Convert to fraction form
    157,119.52/235,679.75 = 38,790.87/x
  3. Step 3: Cross multiply
    157,119.52x = 235,679.75 × 38,790.87
  4. Step 4: Simplify right side
    157,119.52x = 9,142,222,051.66
  5. Step 5: Solve for x
    x = 9,142,222,051.66/157,119.52
  6. Step 6: Final answer
    x = 58,186.42

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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.