Home / 122,895.02-169,607.93-75,180.15

Finding the Fourth Proportional to 122,895.02, 169,607.93 and 75,180.15

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Solution

The fourth proportional to 122,895.02, 169,607.93 and 75,180.15 is: 103,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,895.02 : 169,607.93 = 75,180.15 : x
  2. Step 2: Convert to fraction form
    122,895.02/169,607.93 = 75,180.15/x
  3. Step 3: Cross multiply
    122,895.02x = 169,607.93 × 75,180.15
  4. Step 4: Simplify right side
    122,895.02x = 12,751,149,242.69
  5. Step 5: Solve for x
    x = 12,751,149,242.69/122,895.02
  6. Step 6: Final answer
    x = 103,756.43

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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.