Home / 158,910.31-238,307.05-64,115.16

Finding the Fourth Proportional to 158,910.31, 238,307.05 and 64,115.16

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Solution

The fourth proportional to 158,910.31, 238,307.05 and 64,115.16 is: 96,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,910.31 : 238,307.05 = 64,115.16 : x
  2. Step 2: Convert to fraction form
    158,910.31/238,307.05 = 64,115.16/x
  3. Step 3: Cross multiply
    158,910.31x = 238,307.05 × 64,115.16
  4. Step 4: Simplify right side
    158,910.31x = 15,279,094,639.88
  5. Step 5: Solve for x
    x = 15,279,094,639.88/158,910.31
  6. Step 6: Final answer
    x = 96,149.17

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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.