Home / 181,929.81-272,947.37-75,294.08

Finding the Fourth Proportional to 181,929.81, 272,947.37 and 75,294.08

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Solution

The fourth proportional to 181,929.81, 272,947.37 and 75,294.08 is: 112,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,929.81 : 272,947.37 = 75,294.08 : x
  2. Step 2: Convert to fraction form
    181,929.81/272,947.37 = 75,294.08/x
  3. Step 3: Cross multiply
    181,929.81x = 272,947.37 × 75,294.08
  4. Step 4: Simplify right side
    181,929.81x = 20,551,319,371.36
  5. Step 5: Solve for x
    x = 20,551,319,371.36/181,929.81
  6. Step 6: Final answer
    x = 112,962.90

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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.