Home / 122,784.63-169,441.25-69,070.02

Finding the Fourth Proportional to 122,784.63, 169,441.25 and 69,070.02

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Solution

The fourth proportional to 122,784.63, 169,441.25 and 69,070.02 is: 95,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,784.63 : 169,441.25 = 69,070.02 : x
  2. Step 2: Convert to fraction form
    122,784.63/169,441.25 = 69,070.02/x
  3. Step 3: Cross multiply
    122,784.63x = 169,441.25 × 69,070.02
  4. Step 4: Simplify right side
    122,784.63x = 11,703,310,180.97
  5. Step 5: Solve for x
    x = 11,703,310,180.97/122,784.63
  6. Step 6: Final answer
    x = 95,315.76

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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.