Home / 149,920.40-224,880.60-90,725.60

Finding the Fourth Proportional to 149,920.40, 224,880.60 and 90,725.60

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Solution

The fourth proportional to 149,920.40, 224,880.60 and 90,725.60 is: 136,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.40 : 224,880.60 = 90,725.60 : x
  2. Step 2: Convert to fraction form
    149,920.40/224,880.60 = 90,725.60/x
  3. Step 3: Cross multiply
    149,920.40x = 224,880.60 × 90,725.60
  4. Step 4: Simplify right side
    149,920.40x = 20,402,427,363.36
  5. Step 5: Solve for x
    x = 20,402,427,363.36/149,920.40
  6. Step 6: Final answer
    x = 136,088.40

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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.