Home / 212,715.44-293,543.56-115,920.16

Finding the Fourth Proportional to 212,715.44, 293,543.56 and 115,920.16

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Solution

The fourth proportional to 212,715.44, 293,543.56 and 115,920.16 is: 159,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,715.44 : 293,543.56 = 115,920.16 : x
  2. Step 2: Convert to fraction form
    212,715.44/293,543.56 = 115,920.16/x
  3. Step 3: Cross multiply
    212,715.44x = 293,543.56 × 115,920.16
  4. Step 4: Simplify right side
    212,715.44x = 34,027,616,442.17
  5. Step 5: Solve for x
    x = 34,027,616,442.17/212,715.44
  6. Step 6: Final answer
    x = 159,967.78

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1.5x scale

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.