Home / 122,152.38-168,568.29-68,437.05

Finding the Fourth Proportional to 122,152.38, 168,568.29 and 68,437.05

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Solution

The fourth proportional to 122,152.38, 168,568.29 and 68,437.05 is: 94,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,152.38 : 168,568.29 = 68,437.05 : x
  2. Step 2: Convert to fraction form
    122,152.38/168,568.29 = 68,437.05/x
  3. Step 3: Cross multiply
    122,152.38x = 168,568.29 × 68,437.05
  4. Step 4: Simplify right side
    122,152.38x = 11,536,316,491.14
  5. Step 5: Solve for x
    x = 11,536,316,491.14/122,152.38
  6. Step 6: Final answer
    x = 94,442.01

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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.