Home / 153,404.85-211,724.51-98,941.71

Finding the Fourth Proportional to 153,404.85, 211,724.51 and 98,941.71

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Solution

The fourth proportional to 153,404.85, 211,724.51 and 98,941.71 is: 136,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,404.85 : 211,724.51 = 98,941.71 : x
  2. Step 2: Convert to fraction form
    153,404.85/211,724.51 = 98,941.71/x
  3. Step 3: Cross multiply
    153,404.85x = 211,724.51 × 98,941.71
  4. Step 4: Simplify right side
    153,404.85x = 20,948,384,573.60
  5. Step 5: Solve for x
    x = 20,948,384,573.60/153,404.85
  6. Step 6: Final answer
    x = 136,556.21

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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.