Home / 149,029.27-223,642.38-70,166.05

Finding the Fourth Proportional to 149,029.27, 223,642.38 and 70,166.05

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Solution

The fourth proportional to 149,029.27, 223,642.38 and 70,166.05 is: 105,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,029.27 : 223,642.38 = 70,166.05 : x
  2. Step 2: Convert to fraction form
    149,029.27/223,642.38 = 70,166.05/x
  3. Step 3: Cross multiply
    149,029.27x = 223,642.38 × 70,166.05
  4. Step 4: Simplify right side
    149,029.27x = 15,692,102,417.20
  5. Step 5: Solve for x
    x = 15,692,102,417.20/149,029.27
  6. Step 6: Final answer
    x = 105,295.44

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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.