Home / 143,177.09-197,683.23-89,486.24

Finding the Fourth Proportional to 143,177.09, 197,683.23 and 89,486.24

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Solution

The fourth proportional to 143,177.09, 197,683.23 and 89,486.24 is: 123,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,177.09 : 197,683.23 = 89,486.24 : x
  2. Step 2: Convert to fraction form
    143,177.09/197,683.23 = 89,486.24/x
  3. Step 3: Cross multiply
    143,177.09x = 197,683.23 × 89,486.24
  4. Step 4: Simplify right side
    143,177.09x = 17,689,928,963.76
  5. Step 5: Solve for x
    x = 17,689,928,963.76/143,177.09
  6. Step 6: Final answer
    x = 123,552.79

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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.