Home / 142,752.95-197,010.99-79,096.67

Finding the Fourth Proportional to 142,752.95, 197,010.99 and 79,096.67

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Solution

The fourth proportional to 142,752.95, 197,010.99 and 79,096.67 is: 109,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,752.95 : 197,010.99 = 79,096.67 : x
  2. Step 2: Convert to fraction form
    142,752.95/197,010.99 = 79,096.67/x
  3. Step 3: Cross multiply
    142,752.95x = 197,010.99 × 79,096.67
  4. Step 4: Simplify right side
    142,752.95x = 15,582,912,277.35
  5. Step 5: Solve for x
    x = 15,582,912,277.35/142,752.95
  6. Step 6: Final answer
    x = 109,160.01

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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.