Home / 149,144.33-223,607.14-70,215.50

Finding the Fourth Proportional to 149,144.33, 223,607.14 and 70,215.50

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Solution

The fourth proportional to 149,144.33, 223,607.14 and 70,215.50 is: 105,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,144.33 : 223,607.14 = 70,215.50 : x
  2. Step 2: Convert to fraction form
    149,144.33/223,607.14 = 70,215.50/x
  3. Step 3: Cross multiply
    149,144.33x = 223,607.14 × 70,215.50
  4. Step 4: Simplify right side
    149,144.33x = 15,700,687,138.67
  5. Step 5: Solve for x
    x = 15,700,687,138.67/149,144.33
  6. Step 6: Final answer
    x = 105,271.77

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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.