Home / 142,937.96-197,189.70-89,236.22

Finding the Fourth Proportional to 142,937.96, 197,189.70 and 89,236.22

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Solution

The fourth proportional to 142,937.96, 197,189.70 and 89,236.22 is: 123,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,937.96 : 197,189.70 = 89,236.22 : x
  2. Step 2: Convert to fraction form
    142,937.96/197,189.70 = 89,236.22/x
  3. Step 3: Cross multiply
    142,937.96x = 197,189.70 × 89,236.22
  4. Step 4: Simplify right side
    142,937.96x = 17,596,463,450.93
  5. Step 5: Solve for x
    x = 17,596,463,450.93/142,937.96
  6. Step 6: Final answer
    x = 123,105.60

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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.