Home / 122,851.89-169,533.81-69,132.69

Finding the Fourth Proportional to 122,851.89, 169,533.81 and 69,132.69

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Solution

The fourth proportional to 122,851.89, 169,533.81 and 69,132.69 is: 95,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,851.89 : 169,533.81 = 69,132.69 : x
  2. Step 2: Convert to fraction form
    122,851.89/169,533.81 = 69,132.69/x
  3. Step 3: Cross multiply
    122,851.89x = 169,533.81 × 69,132.69
  4. Step 4: Simplify right side
    122,851.89x = 11,720,328,331.25
  5. Step 5: Solve for x
    x = 11,720,328,331.25/122,851.89
  6. Step 6: Final answer
    x = 95,402.10

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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.