Home / 145,660.30-218,491.14-50,890.08

Finding the Fourth Proportional to 145,660.30, 218,491.14 and 50,890.08

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Solution

The fourth proportional to 145,660.30, 218,491.14 and 50,890.08 is: 76,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,660.30 : 218,491.14 = 50,890.08 : x
  2. Step 2: Convert to fraction form
    145,660.30/218,491.14 = 50,890.08/x
  3. Step 3: Cross multiply
    145,660.30x = 218,491.14 × 50,890.08
  4. Step 4: Simplify right side
    145,660.30x = 11,119,031,593.89
  5. Step 5: Solve for x
    x = 11,119,031,593.89/145,660.30
  6. Step 6: Final answer
    x = 76,335.36

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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.