Home / 115,177.72-158,954.98-64,886.44

Finding the Fourth Proportional to 115,177.72, 158,954.98 and 64,886.44

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Solution

The fourth proportional to 115,177.72, 158,954.98 and 64,886.44 is: 89,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,177.72 : 158,954.98 = 64,886.44 : x
  2. Step 2: Convert to fraction form
    115,177.72/158,954.98 = 64,886.44/x
  3. Step 3: Cross multiply
    115,177.72x = 158,954.98 × 64,886.44
  4. Step 4: Simplify right side
    115,177.72x = 10,314,022,772.47
  5. Step 5: Solve for x
    x = 10,314,022,772.47/115,177.72
  6. Step 6: Final answer
    x = 89,548.77

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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.