Home / 187,064.90-280,638.80-53,934.76

Finding the Fourth Proportional to 187,064.90, 280,638.80 and 53,934.76

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Solution

The fourth proportional to 187,064.90, 280,638.80 and 53,934.76 is: 80,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,064.90 : 280,638.80 = 53,934.76 : x
  2. Step 2: Convert to fraction form
    187,064.90/280,638.80 = 53,934.76/x
  3. Step 3: Cross multiply
    187,064.90x = 280,638.80 × 53,934.76
  4. Step 4: Simplify right side
    187,064.90x = 15,136,186,324.69
  5. Step 5: Solve for x
    x = 15,136,186,324.69/187,064.90
  6. Step 6: Final answer
    x = 80,914.09

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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.