Home / 159,923.36-220,702.88-88,303.16

Finding the Fourth Proportional to 159,923.36, 220,702.88 and 88,303.16

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Solution

The fourth proportional to 159,923.36, 220,702.88 and 88,303.16 is: 121,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,923.36 : 220,702.88 = 88,303.16 : x
  2. Step 2: Convert to fraction form
    159,923.36/220,702.88 = 88,303.16/x
  3. Step 3: Cross multiply
    159,923.36x = 220,702.88 × 88,303.16
  4. Step 4: Simplify right side
    159,923.36x = 19,488,761,725.10
  5. Step 5: Solve for x
    x = 19,488,761,725.10/159,923.36
  6. Step 6: Final answer
    x = 121,863.13

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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.