Home / 130,642.82-196,077.99-74,595.14

Finding the Fourth Proportional to 130,642.82, 196,077.99 and 74,595.14

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Solution

The fourth proportional to 130,642.82, 196,077.99 and 74,595.14 is: 111,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,642.82 : 196,077.99 = 74,595.14 : x
  2. Step 2: Convert to fraction form
    130,642.82/196,077.99 = 74,595.14/x
  3. Step 3: Cross multiply
    130,642.82x = 196,077.99 × 74,595.14
  4. Step 4: Simplify right side
    130,642.82x = 14,626,465,114.97
  5. Step 5: Solve for x
    x = 14,626,465,114.97/130,642.82
  6. Step 6: Final answer
    x = 111,957.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.