Home / 154,987.20-232,258.79-88,289.60

Finding the Fourth Proportional to 154,987.20, 232,258.79 and 88,289.60

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Solution

The fourth proportional to 154,987.20, 232,258.79 and 88,289.60 is: 132,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,987.20 : 232,258.79 = 88,289.60 : x
  2. Step 2: Convert to fraction form
    154,987.20/232,258.79 = 88,289.60/x
  3. Step 3: Cross multiply
    154,987.20x = 232,258.79 × 88,289.60
  4. Step 4: Simplify right side
    154,987.20x = 20,506,035,665.58
  5. Step 5: Solve for x
    x = 20,506,035,665.58/154,987.20
  6. Step 6: Final answer
    x = 132,307.93

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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.