Home / 115,462.08-159,327.27-64,470.42

Finding the Fourth Proportional to 115,462.08, 159,327.27 and 64,470.42

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Solution

The fourth proportional to 115,462.08, 159,327.27 and 64,470.42 is: 88,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,462.08 : 159,327.27 = 64,470.42 : x
  2. Step 2: Convert to fraction form
    115,462.08/159,327.27 = 64,470.42/x
  3. Step 3: Cross multiply
    115,462.08x = 159,327.27 × 64,470.42
  4. Step 4: Simplify right side
    115,462.08x = 10,271,896,014.35
  5. Step 5: Solve for x
    x = 10,271,896,014.35/115,462.08
  6. Step 6: Final answer
    x = 88,963.37

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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.