Home / 169,210.88-253,816.91-42,851.09

Finding the Fourth Proportional to 169,210.88, 253,816.91 and 42,851.09

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Solution

The fourth proportional to 169,210.88, 253,816.91 and 42,851.09 is: 64,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,210.88 : 253,816.91 = 42,851.09 : x
  2. Step 2: Convert to fraction form
    169,210.88/253,816.91 = 42,851.09/x
  3. Step 3: Cross multiply
    169,210.88x = 253,816.91 × 42,851.09
  4. Step 4: Simplify right side
    169,210.88x = 10,876,331,253.93
  5. Step 5: Solve for x
    x = 10,876,331,253.93/169,210.88
  6. Step 6: Final answer
    x = 64,276.78

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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.