Home / 158,910.81-238,307.81-64,115.66

Finding the Fourth Proportional to 158,910.81, 238,307.81 and 64,115.66

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Solution

The fourth proportional to 158,910.81, 238,307.81 and 64,115.66 is: 96,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,910.81 : 238,307.81 = 64,115.66 : x
  2. Step 2: Convert to fraction form
    158,910.81/238,307.81 = 64,115.66/x
  3. Step 3: Cross multiply
    158,910.81x = 238,307.81 × 64,115.66
  4. Step 4: Simplify right side
    158,910.81x = 15,279,261,009.19
  5. Step 5: Solve for x
    x = 15,279,261,009.19/158,910.81
  6. Step 6: Final answer
    x = 96,149.92

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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.