Home / 124,873.02-172,328.90-68,284.40

Finding the Fourth Proportional to 124,873.02, 172,328.90 and 68,284.40

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Solution

The fourth proportional to 124,873.02, 172,328.90 and 68,284.40 is: 94,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,873.02 : 172,328.90 = 68,284.40 : x
  2. Step 2: Convert to fraction form
    124,873.02/172,328.90 = 68,284.40/x
  3. Step 3: Cross multiply
    124,873.02x = 172,328.90 × 68,284.40
  4. Step 4: Simplify right side
    124,873.02x = 11,767,374,336.09
  5. Step 5: Solve for x
    x = 11,767,374,336.09/124,873.02
  6. Step 6: Final answer
    x = 94,234.72

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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.