Home / 89,959.20-134,852.40-69,957.60

Finding the Fourth Proportional to 89,959.20, 134,852.40 and 69,957.60

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Solution

The fourth proportional to 89,959.20, 134,852.40 and 69,957.60 is: 104,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959.20 : 134,852.40 = 69,957.60 : x
  2. Step 2: Convert to fraction form
    89,959.20/134,852.40 = 69,957.60/x
  3. Step 3: Cross multiply
    89,959.20x = 134,852.40 × 69,957.60
  4. Step 4: Simplify right side
    89,959.20x = 9,433,950,258.24
  5. Step 5: Solve for x
    x = 9,433,950,258.24/89,959.20
  6. Step 6: Final answer
    x = 104,869.21

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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.