Home / 153,282.22-211,530.87-85,302.06

Finding the Fourth Proportional to 153,282.22, 211,530.87 and 85,302.06

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Solution

The fourth proportional to 153,282.22, 211,530.87 and 85,302.06 is: 117,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,282.22 : 211,530.87 = 85,302.06 : x
  2. Step 2: Convert to fraction form
    153,282.22/211,530.87 = 85,302.06/x
  3. Step 3: Cross multiply
    153,282.22x = 211,530.87 × 85,302.06
  4. Step 4: Simplify right side
    153,282.22x = 18,044,019,121.30
  5. Step 5: Solve for x
    x = 18,044,019,121.30/153,282.22
  6. Step 6: Final answer
    x = 117,717.62

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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.