Home / 157,820.32-236,695.65-45,475.75

Finding the Fourth Proportional to 157,820.32, 236,695.65 and 45,475.75

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Solution

The fourth proportional to 157,820.32, 236,695.65 and 45,475.75 is: 68,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,820.32 : 236,695.65 = 45,475.75 : x
  2. Step 2: Convert to fraction form
    157,820.32/236,695.65 = 45,475.75/x
  3. Step 3: Cross multiply
    157,820.32x = 236,695.65 × 45,475.75
  4. Step 4: Simplify right side
    157,820.32x = 10,763,912,205.49
  5. Step 5: Solve for x
    x = 10,763,912,205.49/157,820.32
  6. Step 6: Final answer
    x = 68,203.59

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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.