Home / 277,136.17-415,711.98-90,147.67

Finding the Fourth Proportional to 277,136.17, 415,711.98 and 90,147.67

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Solution

The fourth proportional to 277,136.17, 415,711.98 and 90,147.67 is: 135,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,136.17 : 415,711.98 = 90,147.67 : x
  2. Step 2: Convert to fraction form
    277,136.17/415,711.98 = 90,147.67/x
  3. Step 3: Cross multiply
    277,136.17x = 415,711.98 × 90,147.67
  4. Step 4: Simplify right side
    277,136.17x = 37,475,465,348.81
  5. Step 5: Solve for x
    x = 37,475,465,348.81/277,136.17
  6. Step 6: Final answer
    x = 135,224.02

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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.