Home / 130,612.60-196,006.28-47,506.60

Finding the Fourth Proportional to 130,612.60, 196,006.28 and 47,506.60

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Solution

The fourth proportional to 130,612.60, 196,006.28 and 47,506.60 is: 71,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,612.60 : 196,006.28 = 47,506.60 : x
  2. Step 2: Convert to fraction form
    130,612.60/196,006.28 = 47,506.60/x
  3. Step 3: Cross multiply
    130,612.60x = 196,006.28 × 47,506.60
  4. Step 4: Simplify right side
    130,612.60x = 9,311,592,216.15
  5. Step 5: Solve for x
    x = 9,311,592,216.15/130,612.60
  6. Step 6: Final answer
    x = 71,291.68

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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.