Home / 147,801.42-221,734.94-42,612.21

Finding the Fourth Proportional to 147,801.42, 221,734.94 and 42,612.21

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Solution

The fourth proportional to 147,801.42, 221,734.94 and 42,612.21 is: 63,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,801.42 : 221,734.94 = 42,612.21 : x
  2. Step 2: Convert to fraction form
    147,801.42/221,734.94 = 42,612.21/x
  3. Step 3: Cross multiply
    147,801.42x = 221,734.94 × 42,612.21
  4. Step 4: Simplify right side
    147,801.42x = 9,448,615,614.56
  5. Step 5: Solve for x
    x = 9,448,615,614.56/147,801.42
  6. Step 6: Final answer
    x = 63,927.77

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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.