Home / 112,553.92-155,355.12-70,087.36

Finding the Fourth Proportional to 112,553.92, 155,355.12 and 70,087.36

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Solution

The fourth proportional to 112,553.92, 155,355.12 and 70,087.36 is: 96,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,553.92 : 155,355.12 = 70,087.36 : x
  2. Step 2: Convert to fraction form
    112,553.92/155,355.12 = 70,087.36/x
  3. Step 3: Cross multiply
    112,553.92x = 155,355.12 × 70,087.36
  4. Step 4: Simplify right side
    112,553.92x = 10,888,430,223.28
  5. Step 5: Solve for x
    x = 10,888,430,223.28/112,553.92
  6. Step 6: Final answer
    x = 96,739.68

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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.