Home / 147,799.65-221,644.80-47,963.10

Finding the Fourth Proportional to 147,799.65, 221,644.80 and 47,963.10

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Solution

The fourth proportional to 147,799.65, 221,644.80 and 47,963.10 is: 71,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,799.65 : 221,644.80 = 47,963.10 : x
  2. Step 2: Convert to fraction form
    147,799.65/221,644.80 = 47,963.10/x
  3. Step 3: Cross multiply
    147,799.65x = 221,644.80 × 47,963.10
  4. Step 4: Simplify right side
    147,799.65x = 10,630,771,706.88
  5. Step 5: Solve for x
    x = 10,630,771,706.88/147,799.65
  6. Step 6: Final answer
    x = 71,926.91

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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.