Home / 208,077.55-312,118.97-73,136.17

Finding the Fourth Proportional to 208,077.55, 312,118.97 and 73,136.17

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Solution

The fourth proportional to 208,077.55, 312,118.97 and 73,136.17 is: 109,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077.55 : 312,118.97 = 73,136.17 : x
  2. Step 2: Convert to fraction form
    208,077.55/312,118.97 = 73,136.17/x
  3. Step 3: Cross multiply
    208,077.55x = 312,118.97 × 73,136.17
  4. Step 4: Simplify right side
    208,077.55x = 22,827,186,050.14
  5. Step 5: Solve for x
    x = 22,827,186,050.14/208,077.55
  6. Step 6: Final answer
    x = 109,705.18

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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.