Home / 124,108.06-171,281.78-73,136.68

Finding the Fourth Proportional to 124,108.06, 171,281.78 and 73,136.68

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Solution

The fourth proportional to 124,108.06, 171,281.78 and 73,136.68 is: 100,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,108.06 : 171,281.78 = 73,136.68 : x
  2. Step 2: Convert to fraction form
    124,108.06/171,281.78 = 73,136.68/x
  3. Step 3: Cross multiply
    124,108.06x = 171,281.78 × 73,136.68
  4. Step 4: Simplify right side
    124,108.06x = 12,526,980,733.69
  5. Step 5: Solve for x
    x = 12,526,980,733.69/124,108.06
  6. Step 6: Final answer
    x = 100,936.08

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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.