Home / 147,430.20-221,145.30-36,622.20

Finding the Fourth Proportional to 147,430.20, 221,145.30 and 36,622.20

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Solution

The fourth proportional to 147,430.20, 221,145.30 and 36,622.20 is: 54,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,430.20 : 221,145.30 = 36,622.20 : x
  2. Step 2: Convert to fraction form
    147,430.20/221,145.30 = 36,622.20/x
  3. Step 3: Cross multiply
    147,430.20x = 221,145.30 × 36,622.20
  4. Step 4: Simplify right side
    147,430.20x = 8,098,827,405.66
  5. Step 5: Solve for x
    x = 8,098,827,405.66/147,430.20
  6. Step 6: Final answer
    x = 54,933.30

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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.