Home / 115,300.69-159,122.08-63,617.53

Finding the Fourth Proportional to 115,300.69, 159,122.08 and 63,617.53

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Solution

The fourth proportional to 115,300.69, 159,122.08 and 63,617.53 is: 87,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,300.69 : 159,122.08 = 63,617.53 : x
  2. Step 2: Convert to fraction form
    115,300.69/159,122.08 = 63,617.53/x
  3. Step 3: Cross multiply
    115,300.69x = 159,122.08 × 63,617.53
  4. Step 4: Simplify right side
    115,300.69x = 10,122,953,618.64
  5. Step 5: Solve for x
    x = 10,122,953,618.64/115,300.69
  6. Step 6: Final answer
    x = 87,796.13

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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.