Home / 149,327.62-223,913.67-70,420.66

Finding the Fourth Proportional to 149,327.62, 223,913.67 and 70,420.66

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Solution

The fourth proportional to 149,327.62, 223,913.67 and 70,420.66 is: 105,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,327.62 : 223,913.67 = 70,420.66 : x
  2. Step 2: Convert to fraction form
    149,327.62/223,913.67 = 70,420.66/x
  3. Step 3: Cross multiply
    149,327.62x = 223,913.67 × 70,420.66
  4. Step 4: Simplify right side
    149,327.62x = 15,768,148,424.42
  5. Step 5: Solve for x
    x = 15,768,148,424.42/149,327.62
  6. Step 6: Final answer
    x = 105,594.32

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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.