Home / 121,183.49-181,776.15-42,297.80

Finding the Fourth Proportional to 121,183.49, 181,776.15 and 42,297.80

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Solution

The fourth proportional to 121,183.49, 181,776.15 and 42,297.80 is: 63,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,183.49 : 181,776.15 = 42,297.80 : x
  2. Step 2: Convert to fraction form
    121,183.49/181,776.15 = 42,297.80/x
  3. Step 3: Cross multiply
    121,183.49x = 181,776.15 × 42,297.80
  4. Step 4: Simplify right side
    121,183.49x = 7,688,730,328.59
  5. Step 5: Solve for x
    x = 7,688,730,328.59/121,183.49
  6. Step 6: Final answer
    x = 63,447.01

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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.