Home / 119,397.23-179,057.72-39,420.36

Finding the Fourth Proportional to 119,397.23, 179,057.72 and 39,420.36

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Solution

The fourth proportional to 119,397.23, 179,057.72 and 39,420.36 is: 59,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,397.23 : 179,057.72 = 39,420.36 : x
  2. Step 2: Convert to fraction form
    119,397.23/179,057.72 = 39,420.36/x
  3. Step 3: Cross multiply
    119,397.23x = 179,057.72 × 39,420.36
  4. Step 4: Simplify right side
    119,397.23x = 7,058,519,586.08
  5. Step 5: Solve for x
    x = 7,058,519,586.08/119,397.23
  6. Step 6: Final answer
    x = 59,117.95

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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.