Home / 158,921.04-238,350.04-78,875.52

Finding the Fourth Proportional to 158,921.04, 238,350.04 and 78,875.52

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Solution

The fourth proportional to 158,921.04, 238,350.04 and 78,875.52 is: 118,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,921.04 : 238,350.04 = 78,875.52 : x
  2. Step 2: Convert to fraction form
    158,921.04/238,350.04 = 78,875.52/x
  3. Step 3: Cross multiply
    158,921.04x = 238,350.04 × 78,875.52
  4. Step 4: Simplify right side
    158,921.04x = 18,799,983,347.02
  5. Step 5: Solve for x
    x = 18,799,983,347.02/158,921.04
  6. Step 6: Final answer
    x = 118,297.64

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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.