Home / 149,822.40-224,733.60-90,627.60

Finding the Fourth Proportional to 149,822.40, 224,733.60 and 90,627.60

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Solution

The fourth proportional to 149,822.40, 224,733.60 and 90,627.60 is: 135,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,822.40 : 224,733.60 = 90,627.60 : x
  2. Step 2: Convert to fraction form
    149,822.40/224,733.60 = 90,627.60/x
  3. Step 3: Cross multiply
    149,822.40x = 224,733.60 × 90,627.60
  4. Step 4: Simplify right side
    149,822.40x = 20,367,066,807.36
  5. Step 5: Solve for x
    x = 20,367,066,807.36/149,822.40
  6. Step 6: Final answer
    x = 135,941.40

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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.