Home / 130,920.75-196,381.14-47,814.75

Finding the Fourth Proportional to 130,920.75, 196,381.14 and 47,814.75

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Solution

The fourth proportional to 130,920.75, 196,381.14 and 47,814.75 is: 71,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,920.75 : 196,381.14 = 47,814.75 : x
  2. Step 2: Convert to fraction form
    130,920.75/196,381.14 = 47,814.75/x
  3. Step 3: Cross multiply
    130,920.75x = 196,381.14 × 47,814.75
  4. Step 4: Simplify right side
    130,920.75x = 9,389,915,113.82
  5. Step 5: Solve for x
    x = 9,389,915,113.82/130,920.75
  6. Step 6: Final answer
    x = 71,722.13

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1.5x scale

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.