Home / 149,422.42-224,150.02-74,561.40

Finding the Fourth Proportional to 149,422.42, 224,150.02 and 74,561.40

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Solution

The fourth proportional to 149,422.42, 224,150.02 and 74,561.40 is: 111,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,422.42 : 224,150.02 = 74,561.40 : x
  2. Step 2: Convert to fraction form
    149,422.42/224,150.02 = 74,561.40/x
  3. Step 3: Cross multiply
    149,422.42x = 224,150.02 × 74,561.40
  4. Step 4: Simplify right side
    149,422.42x = 16,712,939,301.23
  5. Step 5: Solve for x
    x = 16,712,939,301.23/149,422.42
  6. Step 6: Final answer
    x = 111,850.28

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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.