Home / 158,943.26-238,427.20-45,089.15

Finding the Fourth Proportional to 158,943.26, 238,427.20 and 45,089.15

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Solution

The fourth proportional to 158,943.26, 238,427.20 and 45,089.15 is: 67,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,943.26 : 238,427.20 = 45,089.15 : x
  2. Step 2: Convert to fraction form
    158,943.26/238,427.20 = 45,089.15/x
  3. Step 3: Cross multiply
    158,943.26x = 238,427.20 × 45,089.15
  4. Step 4: Simplify right side
    158,943.26x = 10,750,479,784.88
  5. Step 5: Solve for x
    x = 10,750,479,784.88/158,943.26
  6. Step 6: Final answer
    x = 67,637.22

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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.