Home / 124,102.44-171,264.96-76,383.72

Finding the Fourth Proportional to 124,102.44, 171,264.96 and 76,383.72

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Solution

The fourth proportional to 124,102.44, 171,264.96 and 76,383.72 is: 105,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.44 : 171,264.96 = 76,383.72 : x
  2. Step 2: Convert to fraction form
    124,102.44/171,264.96 = 76,383.72/x
  3. Step 3: Cross multiply
    124,102.44x = 171,264.96 × 76,383.72
  4. Step 4: Simplify right side
    124,102.44x = 13,081,854,750.45
  5. Step 5: Solve for x
    x = 13,081,854,750.45/124,102.44
  6. Step 6: Final answer
    x = 105,411.74

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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.