Home / 148,964.40-223,619.40-89,866.80

Finding the Fourth Proportional to 148,964.40, 223,619.40 and 89,866.80

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Solution

The fourth proportional to 148,964.40, 223,619.40 and 89,866.80 is: 134,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,964.40 : 223,619.40 = 89,866.80 : x
  2. Step 2: Convert to fraction form
    148,964.40/223,619.40 = 89,866.80/x
  3. Step 3: Cross multiply
    148,964.40x = 223,619.40 × 89,866.80
  4. Step 4: Simplify right side
    148,964.40x = 20,095,959,895.92
  5. Step 5: Solve for x
    x = 20,095,959,895.92/148,964.40
  6. Step 6: Final answer
    x = 134,904.45

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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.