Home / 159,637.68-221,250.93-156,648.32

Finding the Fourth Proportional to 159,637.68, 221,250.93 and 156,648.32

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Solution

The fourth proportional to 159,637.68, 221,250.93 and 156,648.32 is: 217,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,637.68 : 221,250.93 = 156,648.32 : x
  2. Step 2: Convert to fraction form
    159,637.68/221,250.93 = 156,648.32/x
  3. Step 3: Cross multiply
    159,637.68x = 221,250.93 × 156,648.32
  4. Step 4: Simplify right side
    159,637.68x = 34,658,586,482.94
  5. Step 5: Solve for x
    x = 34,658,586,482.94/159,637.68
  6. Step 6: Final answer
    x = 217,107.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.