Home / 132,859.26-183,242.10-85,117.05

Finding the Fourth Proportional to 132,859.26, 183,242.10 and 85,117.05

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Solution

The fourth proportional to 132,859.26, 183,242.10 and 85,117.05 is: 117,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859.26 : 183,242.10 = 85,117.05 : x
  2. Step 2: Convert to fraction form
    132,859.26/183,242.10 = 85,117.05/x
  3. Step 3: Cross multiply
    132,859.26x = 183,242.10 × 85,117.05
  4. Step 4: Simplify right side
    132,859.26x = 15,597,026,987.81
  5. Step 5: Solve for x
    x = 15,597,026,987.81/132,859.26
  6. Step 6: Final answer
    x = 117,395.11

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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.