Home / 130,817.75-196,255.88-47,711.75

Finding the Fourth Proportional to 130,817.75, 196,255.88 and 47,711.75

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Solution

The fourth proportional to 130,817.75, 196,255.88 and 47,711.75 is: 71,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,817.75 : 196,255.88 = 47,711.75 : x
  2. Step 2: Convert to fraction form
    130,817.75/196,255.88 = 47,711.75/x
  3. Step 3: Cross multiply
    130,817.75x = 196,255.88 × 47,711.75
  4. Step 4: Simplify right side
    130,817.75x = 9,363,711,482.59
  5. Step 5: Solve for x
    x = 9,363,711,482.59/130,817.75
  6. Step 6: Final answer
    x = 71,578.29

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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.