Home / 153,069.32-211,223.52-85,080.96

Finding the Fourth Proportional to 153,069.32, 211,223.52 and 85,080.96

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Solution

The fourth proportional to 153,069.32, 211,223.52 and 85,080.96 is: 117,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,069.32 : 211,223.52 = 85,080.96 : x
  2. Step 2: Convert to fraction form
    153,069.32/211,223.52 = 85,080.96/x
  3. Step 3: Cross multiply
    153,069.32x = 211,223.52 × 85,080.96
  4. Step 4: Simplify right side
    153,069.32x = 17,971,099,856.18
  5. Step 5: Solve for x
    x = 17,971,099,856.18/153,069.32
  6. Step 6: Final answer
    x = 117,404.98

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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.