Home / 161,928.90-242,820.45-73,136.70

Finding the Fourth Proportional to 161,928.90, 242,820.45 and 73,136.70

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Solution

The fourth proportional to 161,928.90, 242,820.45 and 73,136.70 is: 109,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,928.90 : 242,820.45 = 73,136.70 : x
  2. Step 2: Convert to fraction form
    161,928.90/242,820.45 = 73,136.70/x
  3. Step 3: Cross multiply
    161,928.90x = 242,820.45 × 73,136.70
  4. Step 4: Simplify right side
    161,928.90x = 17,759,086,405.52
  5. Step 5: Solve for x
    x = 17,759,086,405.52/161,928.90
  6. Step 6: Final answer
    x = 109,672.12

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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.