Home / 169,209.25-253,829.55-55,357.69

Finding the Fourth Proportional to 169,209.25, 253,829.55 and 55,357.69

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Solution

The fourth proportional to 169,209.25, 253,829.55 and 55,357.69 is: 83,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,209.25 : 253,829.55 = 55,357.69 : x
  2. Step 2: Convert to fraction form
    169,209.25/253,829.55 = 55,357.69/x
  3. Step 3: Cross multiply
    169,209.25x = 253,829.55 × 55,357.69
  4. Step 4: Simplify right side
    169,209.25x = 14,051,417,541.74
  5. Step 5: Solve for x
    x = 14,051,417,541.74/169,209.25
  6. Step 6: Final answer
    x = 83,041.66

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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.