Home / 94,769.45-141,428.85-84,660.68

Finding the Fourth Proportional to 94,769.45, 141,428.85 and 84,660.68

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Solution

The fourth proportional to 94,769.45, 141,428.85 and 84,660.68 is: 126,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,769.45 : 141,428.85 = 84,660.68 : x
  2. Step 2: Convert to fraction form
    94,769.45/141,428.85 = 84,660.68/x
  3. Step 3: Cross multiply
    94,769.45x = 141,428.85 × 84,660.68
  4. Step 4: Simplify right side
    94,769.45x = 11,973,461,905.47
  5. Step 5: Solve for x
    x = 11,973,461,905.47/94,769.45
  6. Step 6: Final answer
    x = 126,343.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.