Home / 93,919.40-141,008.70-74,220.20

Finding the Fourth Proportional to 93,919.40, 141,008.70 and 74,220.20

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Solution

The fourth proportional to 93,919.40, 141,008.70 and 74,220.20 is: 111,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.40 : 141,008.70 = 74,220.20 : x
  2. Step 2: Convert to fraction form
    93,919.40/141,008.70 = 74,220.20/x
  3. Step 3: Cross multiply
    93,919.40x = 141,008.70 × 74,220.20
  4. Step 4: Simplify right side
    93,919.40x = 10,465,693,915.74
  5. Step 5: Solve for x
    x = 10,465,693,915.74/93,919.40
  6. Step 6: Final answer
    x = 111,432.72

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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.