Home / 149,331.87-223,920.05-70,424.91

Finding the Fourth Proportional to 149,331.87, 223,920.05 and 70,424.91

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Solution

The fourth proportional to 149,331.87, 223,920.05 and 70,424.91 is: 105,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,331.87 : 223,920.05 = 70,424.91 : x
  2. Step 2: Convert to fraction form
    149,331.87/223,920.05 = 70,424.91/x
  3. Step 3: Cross multiply
    149,331.87x = 223,920.05 × 70,424.91
  4. Step 4: Simplify right side
    149,331.87x = 15,769,549,016.32
  5. Step 5: Solve for x
    x = 15,769,549,016.32/149,331.87
  6. Step 6: Final answer
    x = 105,600.69

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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.