Home / 149,465.10-223,206.92-131,356.74

Finding the Fourth Proportional to 149,465.10, 223,206.92 and 131,356.74

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Solution

The fourth proportional to 149,465.10, 223,206.92 and 131,356.74 is: 196,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,465.10 : 223,206.92 = 131,356.74 : x
  2. Step 2: Convert to fraction form
    149,465.10/223,206.92 = 131,356.74/x
  3. Step 3: Cross multiply
    149,465.10x = 223,206.92 × 131,356.74
  4. Step 4: Simplify right side
    149,465.10x = 29,319,733,356.64
  5. Step 5: Solve for x
    x = 29,319,733,356.64/149,465.10
  6. Step 6: Final answer
    x = 196,164.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.