Home / 94,109.78-129,872.58-51,667.40

Finding the Fourth Proportional to 94,109.78, 129,872.58 and 51,667.40

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Solution

The fourth proportional to 94,109.78, 129,872.58 and 51,667.40 is: 71,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,109.78 : 129,872.58 = 51,667.40 : x
  2. Step 2: Convert to fraction form
    94,109.78/129,872.58 = 51,667.40/x
  3. Step 3: Cross multiply
    94,109.78x = 129,872.58 × 51,667.40
  4. Step 4: Simplify right side
    94,109.78x = 6,710,178,539.89
  5. Step 5: Solve for x
    x = 6,710,178,539.89/94,109.78
  6. Step 6: Final answer
    x = 71,301.61

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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.