Home / 122,176.72-183,220.13-42,194.33

Finding the Fourth Proportional to 122,176.72, 183,220.13 and 42,194.33

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Solution

The fourth proportional to 122,176.72, 183,220.13 and 42,194.33 is: 63,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,176.72 : 183,220.13 = 42,194.33 : x
  2. Step 2: Convert to fraction form
    122,176.72/183,220.13 = 42,194.33/x
  3. Step 3: Cross multiply
    122,176.72x = 183,220.13 × 42,194.33
  4. Step 4: Simplify right side
    122,176.72x = 7,730,851,297.59
  5. Step 5: Solve for x
    x = 7,730,851,297.59/122,176.72
  6. Step 6: Final answer
    x = 63,275.98

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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.