Home / 115,622.62-159,550.40-70,294.31

Finding the Fourth Proportional to 115,622.62, 159,550.40 and 70,294.31

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Solution

The fourth proportional to 115,622.62, 159,550.40 and 70,294.31 is: 97,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,622.62 : 159,550.40 = 70,294.31 : x
  2. Step 2: Convert to fraction form
    115,622.62/159,550.40 = 70,294.31/x
  3. Step 3: Cross multiply
    115,622.62x = 159,550.40 × 70,294.31
  4. Step 4: Simplify right side
    115,622.62x = 11,215,485,756.59
  5. Step 5: Solve for x
    x = 11,215,485,756.59/115,622.62
  6. Step 6: Final answer
    x = 97,000.79

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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.