Home / 164,478.12-226,984.23-99,925.38

Finding the Fourth Proportional to 164,478.12, 226,984.23 and 99,925.38

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Solution

The fourth proportional to 164,478.12, 226,984.23 and 99,925.38 is: 137,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,478.12 : 226,984.23 = 99,925.38 : x
  2. Step 2: Convert to fraction form
    164,478.12/226,984.23 = 99,925.38/x
  3. Step 3: Cross multiply
    164,478.12x = 226,984.23 × 99,925.38
  4. Step 4: Simplify right side
    164,478.12x = 22,681,485,436.76
  5. Step 5: Solve for x
    x = 22,681,485,436.76/164,478.12
  6. Step 6: Final answer
    x = 137,899.71

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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.