Home / 148,364.34-221,467.26-137,400.18

Finding the Fourth Proportional to 148,364.34, 221,467.26 and 137,400.18

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Solution

The fourth proportional to 148,364.34, 221,467.26 and 137,400.18 is: 205,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,364.34 : 221,467.26 = 137,400.18 : x
  2. Step 2: Convert to fraction form
    148,364.34/221,467.26 = 137,400.18/x
  3. Step 3: Cross multiply
    148,364.34x = 221,467.26 × 137,400.18
  4. Step 4: Simplify right side
    148,364.34x = 30,429,641,388.11
  5. Step 5: Solve for x
    x = 30,429,641,388.11/148,364.34
  6. Step 6: Final answer
    x = 205,100.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.