Home / 143,170.02-197,673.48-89,479.17

Finding the Fourth Proportional to 143,170.02, 197,673.48 and 89,479.17

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Solution

The fourth proportional to 143,170.02, 197,673.48 and 89,479.17 is: 123,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,170.02 : 197,673.48 = 89,479.17 : x
  2. Step 2: Convert to fraction form
    143,170.02/197,673.48 = 89,479.17/x
  3. Step 3: Cross multiply
    143,170.02x = 197,673.48 × 89,479.17
  4. Step 4: Simplify right side
    143,170.02x = 17,687,658,921.41
  5. Step 5: Solve for x
    x = 17,687,658,921.41/143,170.02
  6. Step 6: Final answer
    x = 123,543.04

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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.