Home / 132,918.02-199,387.83-39,423.50

Finding the Fourth Proportional to 132,918.02, 199,387.83 and 39,423.50

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Solution

The fourth proportional to 132,918.02, 199,387.83 and 39,423.50 is: 59,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.02 : 199,387.83 = 39,423.50 : x
  2. Step 2: Convert to fraction form
    132,918.02/199,387.83 = 39,423.50/x
  3. Step 3: Cross multiply
    132,918.02x = 199,387.83 × 39,423.50
  4. Step 4: Simplify right side
    132,918.02x = 7,860,566,116.01
  5. Step 5: Solve for x
    x = 7,860,566,116.01/132,918.02
  6. Step 6: Final answer
    x = 59,138.45

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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.