Home / 94,887.32-142,221.40-35,685.20

Finding the Fourth Proportional to 94,887.32, 142,221.40 and 35,685.20

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Solution

The fourth proportional to 94,887.32, 142,221.40 and 35,685.20 is: 53,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,887.32 : 142,221.40 = 35,685.20 : x
  2. Step 2: Convert to fraction form
    94,887.32/142,221.40 = 35,685.20/x
  3. Step 3: Cross multiply
    94,887.32x = 142,221.40 × 35,685.20
  4. Step 4: Simplify right side
    94,887.32x = 5,075,199,103.28
  5. Step 5: Solve for x
    x = 5,075,199,103.28/94,887.32
  6. Step 6: Final answer
    x = 53,486.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.