Home / 136,445.04-204,366.24-89,128.08

Finding the Fourth Proportional to 136,445.04, 204,366.24 and 89,128.08

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Solution

The fourth proportional to 136,445.04, 204,366.24 and 89,128.08 is: 133,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,445.04 : 204,366.24 = 89,128.08 : x
  2. Step 2: Convert to fraction form
    136,445.04/204,366.24 = 89,128.08/x
  3. Step 3: Cross multiply
    136,445.04x = 204,366.24 × 89,128.08
  4. Step 4: Simplify right side
    136,445.04x = 18,214,770,588.02
  5. Step 5: Solve for x
    x = 18,214,770,588.02/136,445.04
  6. Step 6: Final answer
    x = 133,495.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.