Home / 159,584.13-220,223.36-87,970.82

Finding the Fourth Proportional to 159,584.13, 220,223.36 and 87,970.82

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Solution

The fourth proportional to 159,584.13, 220,223.36 and 87,970.82 is: 121,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,584.13 : 220,223.36 = 87,970.82 : x
  2. Step 2: Convert to fraction form
    159,584.13/220,223.36 = 87,970.82/x
  3. Step 3: Cross multiply
    159,584.13x = 220,223.36 × 87,970.82
  4. Step 4: Simplify right side
    159,584.13x = 19,373,228,681.17
  5. Step 5: Solve for x
    x = 19,373,228,681.17/159,584.13
  6. Step 6: Final answer
    x = 121,398.22

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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.