Home / 148,006.21-221,959.06-48,141.64

Finding the Fourth Proportional to 148,006.21, 221,959.06 and 48,141.64

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Solution

The fourth proportional to 148,006.21, 221,959.06 and 48,141.64 is: 72,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,006.21 : 221,959.06 = 48,141.64 : x
  2. Step 2: Convert to fraction form
    148,006.21/221,959.06 = 48,141.64/x
  3. Step 3: Cross multiply
    148,006.21x = 221,959.06 × 48,141.64
  4. Step 4: Simplify right side
    148,006.21x = 10,685,473,161.26
  5. Step 5: Solve for x
    x = 10,685,473,161.26/148,006.21
  6. Step 6: Final answer
    x = 72,196.11

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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.