Home / 124,428.32-171,714.84-67,840.64

Finding the Fourth Proportional to 124,428.32, 171,714.84 and 67,840.64

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Solution

The fourth proportional to 124,428.32, 171,714.84 and 67,840.64 is: 93,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428.32 : 171,714.84 = 67,840.64 : x
  2. Step 2: Convert to fraction form
    124,428.32/171,714.84 = 67,840.64/x
  3. Step 3: Cross multiply
    124,428.32x = 171,714.84 × 67,840.64
  4. Step 4: Simplify right side
    124,428.32x = 11,649,244,643.10
  5. Step 5: Solve for x
    x = 11,649,244,643.10/124,428.32
  6. Step 6: Final answer
    x = 93,622.13

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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.