Home / 159,031.50-219,232.19-111,136.14

Finding the Fourth Proportional to 159,031.50, 219,232.19 and 111,136.14

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Solution

The fourth proportional to 159,031.50, 219,232.19 and 111,136.14 is: 153,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,031.50 : 219,232.19 = 111,136.14 : x
  2. Step 2: Convert to fraction form
    159,031.50/219,232.19 = 111,136.14/x
  3. Step 3: Cross multiply
    159,031.50x = 219,232.19 × 111,136.14
  4. Step 4: Simplify right side
    159,031.50x = 24,364,619,360.35
  5. Step 5: Solve for x
    x = 24,364,619,360.35/159,031.50
  6. Step 6: Final answer
    x = 153,206.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.