Home / 142,949.96-197,206.26-89,248.22

Finding the Fourth Proportional to 142,949.96, 197,206.26 and 89,248.22

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Solution

The fourth proportional to 142,949.96, 197,206.26 and 89,248.22 is: 123,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,949.96 : 197,206.26 = 89,248.22 : x
  2. Step 2: Convert to fraction form
    142,949.96/197,206.26 = 89,248.22/x
  3. Step 3: Cross multiply
    142,949.96x = 197,206.26 × 89,248.22
  4. Step 4: Simplify right side
    142,949.96x = 17,600,307,677.86
  5. Step 5: Solve for x
    x = 17,600,307,677.86/142,949.96
  6. Step 6: Final answer
    x = 123,122.16

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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.