Home / 157,439.12-236,157.84-39,110.48

Finding the Fourth Proportional to 157,439.12, 236,157.84 and 39,110.48

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Solution

The fourth proportional to 157,439.12, 236,157.84 and 39,110.48 is: 58,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,439.12 : 236,157.84 = 39,110.48 : x
  2. Step 2: Convert to fraction form
    157,439.12/236,157.84 = 39,110.48/x
  3. Step 3: Cross multiply
    157,439.12x = 236,157.84 × 39,110.48
  4. Step 4: Simplify right side
    157,439.12x = 9,236,246,478.16
  5. Step 5: Solve for x
    x = 9,236,246,478.16/157,439.12
  6. Step 6: Final answer
    x = 58,665.51

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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.