Home / 136,627.20-205,378.20-97,455.60

Finding the Fourth Proportional to 136,627.20, 205,378.20 and 97,455.60

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Solution

The fourth proportional to 136,627.20, 205,378.20 and 97,455.60 is: 146,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,627.20 : 205,378.20 = 97,455.60 : x
  2. Step 2: Convert to fraction form
    136,627.20/205,378.20 = 97,455.60/x
  3. Step 3: Cross multiply
    136,627.20x = 205,378.20 × 97,455.60
  4. Step 4: Simplify right side
    136,627.20x = 20,015,255,707.92
  5. Step 5: Solve for x
    x = 20,015,255,707.92/136,627.20
  6. Step 6: Final answer
    x = 146,495.40

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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.