Home / 154,931.20-232,396.80-144,433.60

Finding the Fourth Proportional to 154,931.20, 232,396.80 and 144,433.60

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Solution

The fourth proportional to 154,931.20, 232,396.80 and 144,433.60 is: 216,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,931.20 : 232,396.80 = 144,433.60 : x
  2. Step 2: Convert to fraction form
    154,931.20/232,396.80 = 144,433.60/x
  3. Step 3: Cross multiply
    154,931.20x = 232,396.80 × 144,433.60
  4. Step 4: Simplify right side
    154,931.20x = 33,565,906,452.48
  5. Step 5: Solve for x
    x = 33,565,906,452.48/154,931.20
  6. Step 6: Final answer
    x = 216,650.40

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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.