Home / 158,947.93-219,256.90-99,228.25

Finding the Fourth Proportional to 158,947.93, 219,256.90 and 99,228.25

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Solution

The fourth proportional to 158,947.93, 219,256.90 and 99,228.25 is: 136,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,947.93 : 219,256.90 = 99,228.25 : x
  2. Step 2: Convert to fraction form
    158,947.93/219,256.90 = 99,228.25/x
  3. Step 3: Cross multiply
    158,947.93x = 219,256.90 × 99,228.25
  4. Step 4: Simplify right side
    158,947.93x = 21,756,478,487.43
  5. Step 5: Solve for x
    x = 21,756,478,487.43/158,947.93
  6. Step 6: Final answer
    x = 136,878.02

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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.