Home / 153,089.93-211,267.62-85,104.29

Finding the Fourth Proportional to 153,089.93, 211,267.62 and 85,104.29

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Solution

The fourth proportional to 153,089.93, 211,267.62 and 85,104.29 is: 117,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,089.93 : 211,267.62 = 85,104.29 : x
  2. Step 2: Convert to fraction form
    153,089.93/211,267.62 = 85,104.29/x
  3. Step 3: Cross multiply
    153,089.93x = 211,267.62 × 85,104.29
  4. Step 4: Simplify right side
    153,089.93x = 17,979,780,800.09
  5. Step 5: Solve for x
    x = 17,979,780,800.09/153,089.93
  6. Step 6: Final answer
    x = 117,445.88

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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.