Home / 94,880.81-142,344.56-66,855.59

Finding the Fourth Proportional to 94,880.81, 142,344.56 and 66,855.59

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Solution

The fourth proportional to 94,880.81, 142,344.56 and 66,855.59 is: 100,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,880.81 : 142,344.56 = 66,855.59 : x
  2. Step 2: Convert to fraction form
    94,880.81/142,344.56 = 66,855.59/x
  3. Step 3: Cross multiply
    94,880.81x = 142,344.56 × 66,855.59
  4. Step 4: Simplify right side
    94,880.81x = 9,516,528,997.51
  5. Step 5: Solve for x
    x = 9,516,528,997.51/94,880.81
  6. Step 6: Final answer
    x = 100,299.83

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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.