Home / 115,223.04-159,010.56-64,235.52

Finding the Fourth Proportional to 115,223.04, 159,010.56 and 64,235.52

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Solution

The fourth proportional to 115,223.04, 159,010.56 and 64,235.52 is: 88,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,223.04 : 159,010.56 = 64,235.52 : x
  2. Step 2: Convert to fraction form
    115,223.04/159,010.56 = 64,235.52/x
  3. Step 3: Cross multiply
    115,223.04x = 159,010.56 × 64,235.52
  4. Step 4: Simplify right side
    115,223.04x = 10,214,126,007.09
  5. Step 5: Solve for x
    x = 10,214,126,007.09/115,223.04
  6. Step 6: Final answer
    x = 88,646.56

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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.