Home / 115,370.40-159,222.30-70,037.88

Finding the Fourth Proportional to 115,370.40, 159,222.30 and 70,037.88

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Solution

The fourth proportional to 115,370.40, 159,222.30 and 70,037.88 is: 96,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,370.40 : 159,222.30 = 70,037.88 : x
  2. Step 2: Convert to fraction form
    115,370.40/159,222.30 = 70,037.88/x
  3. Step 3: Cross multiply
    115,370.40x = 159,222.30 × 70,037.88
  4. Step 4: Simplify right side
    115,370.40x = 11,151,592,340.72
  5. Step 5: Solve for x
    x = 11,151,592,340.72/115,370.40
  6. Step 6: Final answer
    x = 96,659.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.