Home / 133,057.90-199,641.53-48,858.40

Finding the Fourth Proportional to 133,057.90, 199,641.53 and 48,858.40

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Solution

The fourth proportional to 133,057.90, 199,641.53 and 48,858.40 is: 73,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057.90 : 199,641.53 = 48,858.40 : x
  2. Step 2: Convert to fraction form
    133,057.90/199,641.53 = 48,858.40/x
  3. Step 3: Cross multiply
    133,057.90x = 199,641.53 × 48,858.40
  4. Step 4: Simplify right side
    133,057.90x = 9,754,165,729.35
  5. Step 5: Solve for x
    x = 9,754,165,729.35/133,057.90
  6. Step 6: Final answer
    x = 73,307.68

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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.