Home / 124,006.63-171,128.97-75,608.55

Finding the Fourth Proportional to 124,006.63, 171,128.97 and 75,608.55

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Solution

The fourth proportional to 124,006.63, 171,128.97 and 75,608.55 is: 104,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,006.63 : 171,128.97 = 75,608.55 : x
  2. Step 2: Convert to fraction form
    124,006.63/171,128.97 = 75,608.55/x
  3. Step 3: Cross multiply
    124,006.63x = 171,128.97 × 75,608.55
  4. Step 4: Simplify right side
    124,006.63x = 12,938,813,284.69
  5. Step 5: Solve for x
    x = 12,938,813,284.69/124,006.63
  6. Step 6: Final answer
    x = 104,339.69

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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.