Home / 144,681.16-199,655.43-80,147.80

Finding the Fourth Proportional to 144,681.16, 199,655.43 and 80,147.80

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Solution

The fourth proportional to 144,681.16, 199,655.43 and 80,147.80 is: 110,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,681.16 : 199,655.43 = 80,147.80 : x
  2. Step 2: Convert to fraction form
    144,681.16/199,655.43 = 80,147.80/x
  3. Step 3: Cross multiply
    144,681.16x = 199,655.43 × 80,147.80
  4. Step 4: Simplify right side
    144,681.16x = 16,001,943,472.55
  5. Step 5: Solve for x
    x = 16,001,943,472.55/144,681.16
  6. Step 6: Final answer
    x = 110,601.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.