Home / 134,470.30-201,705.45-128,346.70

Finding the Fourth Proportional to 134,470.30, 201,705.45 and 128,346.70

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Solution

The fourth proportional to 134,470.30, 201,705.45 and 128,346.70 is: 192,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,470.30 : 201,705.45 = 128,346.70 : x
  2. Step 2: Convert to fraction form
    134,470.30/201,705.45 = 128,346.70/x
  3. Step 3: Cross multiply
    134,470.30x = 201,705.45 × 128,346.70
  4. Step 4: Simplify right side
    134,470.30x = 25,888,228,879.52
  5. Step 5: Solve for x
    x = 25,888,228,879.52/134,470.30
  6. Step 6: Final answer
    x = 192,520.05

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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.