Home / 144,646.32-199,632.88-80,988.22

Finding the Fourth Proportional to 144,646.32, 199,632.88 and 80,988.22

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Solution

The fourth proportional to 144,646.32, 199,632.88 and 80,988.22 is: 111,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,646.32 : 199,632.88 = 80,988.22 : x
  2. Step 2: Convert to fraction form
    144,646.32/199,632.88 = 80,988.22/x
  3. Step 3: Cross multiply
    144,646.32x = 199,632.88 × 80,988.22
  4. Step 4: Simplify right side
    144,646.32x = 16,167,911,604.67
  5. Step 5: Solve for x
    x = 16,167,911,604.67/144,646.32
  6. Step 6: Final answer
    x = 111,775.48

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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.