Home / 164,001.87-226,315.58-91,400.90

Finding the Fourth Proportional to 164,001.87, 226,315.58 and 91,400.90

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Solution

The fourth proportional to 164,001.87, 226,315.58 and 91,400.90 is: 126,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,001.87 : 226,315.58 = 91,400.90 : x
  2. Step 2: Convert to fraction form
    164,001.87/226,315.58 = 91,400.90/x
  3. Step 3: Cross multiply
    164,001.87x = 226,315.58 × 91,400.90
  4. Step 4: Simplify right side
    164,001.87x = 20,685,447,696.02
  5. Step 5: Solve for x
    x = 20,685,447,696.02/164,001.87
  6. Step 6: Final answer
    x = 126,129.34

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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.