Home / 144,928.60-217,392.90-102,938.20

Finding the Fourth Proportional to 144,928.60, 217,392.90 and 102,938.20

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Solution

The fourth proportional to 144,928.60, 217,392.90 and 102,938.20 is: 154,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,928.60 : 217,392.90 = 102,938.20 : x
  2. Step 2: Convert to fraction form
    144,928.60/217,392.90 = 102,938.20/x
  3. Step 3: Cross multiply
    144,928.60x = 217,392.90 × 102,938.20
  4. Step 4: Simplify right side
    144,928.60x = 22,378,033,818.78
  5. Step 5: Solve for x
    x = 22,378,033,818.78/144,928.60
  6. Step 6: Final answer
    x = 154,407.30

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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.