Home / 89,470.32-134,079.60-70,667.84

Finding the Fourth Proportional to 89,470.32, 134,079.60 and 70,667.84

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Solution

The fourth proportional to 89,470.32, 134,079.60 and 70,667.84 is: 105,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,470.32 : 134,079.60 = 70,667.84 : x
  2. Step 2: Convert to fraction form
    89,470.32/134,079.60 = 70,667.84/x
  3. Step 3: Cross multiply
    89,470.32x = 134,079.60 × 70,667.84
  4. Step 4: Simplify right side
    89,470.32x = 9,475,115,720.06
  5. Step 5: Solve for x
    x = 9,475,115,720.06/89,470.32
  6. Step 6: Final answer
    x = 105,902.33

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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.