Home / 119,400.18-179,061.62-39,420.18

Finding the Fourth Proportional to 119,400.18, 179,061.62 and 39,420.18

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Solution

The fourth proportional to 119,400.18, 179,061.62 and 39,420.18 is: 59,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,400.18 : 179,061.62 = 39,420.18 : x
  2. Step 2: Convert to fraction form
    119,400.18/179,061.62 = 39,420.18/x
  3. Step 3: Cross multiply
    119,400.18x = 179,061.62 × 39,420.18
  4. Step 4: Simplify right side
    119,400.18x = 7,058,641,291.49
  5. Step 5: Solve for x
    x = 7,058,641,291.49/119,400.18
  6. Step 6: Final answer
    x = 59,117.51

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1.5x scale

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.