Home / 147,641.36-221,497.08-47,801.56

Finding the Fourth Proportional to 147,641.36, 221,497.08 and 47,801.56

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Solution

The fourth proportional to 147,641.36, 221,497.08 and 47,801.56 is: 71,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,641.36 : 221,497.08 = 47,801.56 : x
  2. Step 2: Convert to fraction form
    147,641.36/221,497.08 = 47,801.56/x
  3. Step 3: Cross multiply
    147,641.36x = 221,497.08 × 47,801.56
  4. Step 4: Simplify right side
    147,641.36x = 10,587,905,959.44
  5. Step 5: Solve for x
    x = 10,587,905,959.44/147,641.36
  6. Step 6: Final answer
    x = 71,713.68

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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.