Home / 163,439.97-245,331.67-144,839.13

Finding the Fourth Proportional to 163,439.97, 245,331.67 and 144,839.13

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Solution

The fourth proportional to 163,439.97, 245,331.67 and 144,839.13 is: 217,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,439.97 : 245,331.67 = 144,839.13 : x
  2. Step 2: Convert to fraction form
    163,439.97/245,331.67 = 144,839.13/x
  3. Step 3: Cross multiply
    163,439.97x = 245,331.67 × 144,839.13
  4. Step 4: Simplify right side
    163,439.97x = 35,533,625,644.25
  5. Step 5: Solve for x
    x = 35,533,625,644.25/163,439.97
  6. Step 6: Final answer
    x = 217,410.87

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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.