Home / 115,021.55-158,726.65-64,034.29

Finding the Fourth Proportional to 115,021.55, 158,726.65 and 64,034.29

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Solution

The fourth proportional to 115,021.55, 158,726.65 and 64,034.29 is: 88,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,021.55 : 158,726.65 = 64,034.29 : x
  2. Step 2: Convert to fraction form
    115,021.55/158,726.65 = 64,034.29/x
  3. Step 3: Cross multiply
    115,021.55x = 158,726.65 × 64,034.29
  4. Step 4: Simplify right side
    115,021.55x = 10,163,947,779.93
  5. Step 5: Solve for x
    x = 10,163,947,779.93/115,021.55
  6. Step 6: Final answer
    x = 88,365.59

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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.