Home / 94,012.40-141,061.65-40,720.68

Finding the Fourth Proportional to 94,012.40, 141,061.65 and 40,720.68

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Solution

The fourth proportional to 94,012.40, 141,061.65 and 40,720.68 is: 61,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,012.40 : 141,061.65 = 40,720.68 : x
  2. Step 2: Convert to fraction form
    94,012.40/141,061.65 = 40,720.68/x
  3. Step 3: Cross multiply
    94,012.40x = 141,061.65 × 40,720.68
  4. Step 4: Simplify right side
    94,012.40x = 5,744,126,309.92
  5. Step 5: Solve for x
    x = 5,744,126,309.92/94,012.40
  6. Step 6: Final answer
    x = 61,099.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.