Home / 74,328.20-111,492.30-60,331.40

Finding the Fourth Proportional to 74,328.20, 111,492.30 and 60,331.40

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Solution

The fourth proportional to 74,328.20, 111,492.30 and 60,331.40 is: 90,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.20 : 111,492.30 = 60,331.40 : x
  2. Step 2: Convert to fraction form
    74,328.20/111,492.30 = 60,331.40/x
  3. Step 3: Cross multiply
    74,328.20x = 111,492.30 × 60,331.40
  4. Step 4: Simplify right side
    74,328.20x = 6,726,486,548.22
  5. Step 5: Solve for x
    x = 6,726,486,548.22/74,328.20
  6. Step 6: Final answer
    x = 90,497.10

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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.