Home / 157,255.90-235,717.75-77,182.47

Finding the Fourth Proportional to 157,255.90, 235,717.75 and 77,182.47

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Solution

The fourth proportional to 157,255.90, 235,717.75 and 77,182.47 is: 115,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,255.90 : 235,717.75 = 77,182.47 : x
  2. Step 2: Convert to fraction form
    157,255.90/235,717.75 = 77,182.47/x
  3. Step 3: Cross multiply
    157,255.90x = 235,717.75 × 77,182.47
  4. Step 4: Simplify right side
    157,255.90x = 18,193,278,264.32
  5. Step 5: Solve for x
    x = 18,193,278,264.32/157,255.90
  6. Step 6: Final answer
    x = 115,692.18

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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.