Home / 142,773.65-197,024.69-79,110.89

Finding the Fourth Proportional to 142,773.65, 197,024.69 and 79,110.89

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Solution

The fourth proportional to 142,773.65, 197,024.69 and 79,110.89 is: 109,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,773.65 : 197,024.69 = 79,110.89 : x
  2. Step 2: Convert to fraction form
    142,773.65/197,024.69 = 79,110.89/x
  3. Step 3: Cross multiply
    142,773.65x = 197,024.69 × 79,110.89
  4. Step 4: Simplify right side
    142,773.65x = 15,586,798,577.87
  5. Step 5: Solve for x
    x = 15,586,798,577.87/142,773.65
  6. Step 6: Final answer
    x = 109,171.40

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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.