Home / 115,279.54-159,085.45-64,292.34

Finding the Fourth Proportional to 115,279.54, 159,085.45 and 64,292.34

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Solution

The fourth proportional to 115,279.54, 159,085.45 and 64,292.34 is: 88,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,279.54 : 159,085.45 = 64,292.34 : x
  2. Step 2: Convert to fraction form
    115,279.54/159,085.45 = 64,292.34/x
  3. Step 3: Cross multiply
    115,279.54x = 159,085.45 × 64,292.34
  4. Step 4: Simplify right side
    115,279.54x = 10,227,975,840.45
  5. Step 5: Solve for x
    x = 10,227,975,840.45/115,279.54
  6. Step 6: Final answer
    x = 88,723.25

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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.