Home / 153,068.46-211,247.55-85,098.66

Finding the Fourth Proportional to 153,068.46, 211,247.55 and 85,098.66

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Solution

The fourth proportional to 153,068.46, 211,247.55 and 85,098.66 is: 117,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,068.46 : 211,247.55 = 85,098.66 : x
  2. Step 2: Convert to fraction form
    153,068.46/211,247.55 = 85,098.66/x
  3. Step 3: Cross multiply
    153,068.46x = 211,247.55 × 85,098.66
  4. Step 4: Simplify right side
    153,068.46x = 17,976,883,433.28
  5. Step 5: Solve for x
    x = 17,976,883,433.28/153,068.46
  6. Step 6: Final answer
    x = 117,443.42

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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.