Home / 150,068.02-207,085.26-82,071.40

Finding the Fourth Proportional to 150,068.02, 207,085.26 and 82,071.40

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Solution

The fourth proportional to 150,068.02, 207,085.26 and 82,071.40 is: 113,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,068.02 : 207,085.26 = 82,071.40 : x
  2. Step 2: Convert to fraction form
    150,068.02/207,085.26 = 82,071.40/x
  3. Step 3: Cross multiply
    150,068.02x = 207,085.26 × 82,071.40
  4. Step 4: Simplify right side
    150,068.02x = 16,995,777,207.56
  5. Step 5: Solve for x
    x = 16,995,777,207.56/150,068.02
  6. Step 6: Final answer
    x = 113,253.82

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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.