Home / 130,023.40-195,035.10-112,308.70

Finding the Fourth Proportional to 130,023.40, 195,035.10 and 112,308.70

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Solution

The fourth proportional to 130,023.40, 195,035.10 and 112,308.70 is: 168,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.40 : 195,035.10 = 112,308.70 : x
  2. Step 2: Convert to fraction form
    130,023.40/195,035.10 = 112,308.70/x
  3. Step 3: Cross multiply
    130,023.40x = 195,035.10 × 112,308.70
  4. Step 4: Simplify right side
    130,023.40x = 21,904,138,535.37
  5. Step 5: Solve for x
    x = 21,904,138,535.37/130,023.40
  6. Step 6: Final answer
    x = 168,463.05

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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.