Home / 115,458.73-159,331.48-64,472.34

Finding the Fourth Proportional to 115,458.73, 159,331.48 and 64,472.34

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Solution

The fourth proportional to 115,458.73, 159,331.48 and 64,472.34 is: 88,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,458.73 : 159,331.48 = 64,472.34 : x
  2. Step 2: Convert to fraction form
    115,458.73/159,331.48 = 64,472.34/x
  3. Step 3: Cross multiply
    115,458.73x = 159,331.48 × 64,472.34
  4. Step 4: Simplify right side
    115,458.73x = 10,272,473,351.26
  5. Step 5: Solve for x
    x = 10,272,473,351.26/115,458.73
  6. Step 6: Final answer
    x = 88,970.95

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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.