Home / 115,530.25-159,431.76-62,538.25

Finding the Fourth Proportional to 115,530.25, 159,431.76 and 62,538.25

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Solution

The fourth proportional to 115,530.25, 159,431.76 and 62,538.25 is: 86,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,530.25 : 159,431.76 = 62,538.25 : x
  2. Step 2: Convert to fraction form
    115,530.25/159,431.76 = 62,538.25/x
  3. Step 3: Cross multiply
    115,530.25x = 159,431.76 × 62,538.25
  4. Step 4: Simplify right side
    115,530.25x = 9,970,583,264.82
  5. Step 5: Solve for x
    x = 9,970,583,264.82/115,530.25
  6. Step 6: Final answer
    x = 86,302.79

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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.