Home / 147,400.56-221,031.72-53,840.88

Finding the Fourth Proportional to 147,400.56, 221,031.72 and 53,840.88

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Solution

The fourth proportional to 147,400.56, 221,031.72 and 53,840.88 is: 80,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.56 : 221,031.72 = 53,840.88 : x
  2. Step 2: Convert to fraction form
    147,400.56/221,031.72 = 53,840.88/x
  3. Step 3: Cross multiply
    147,400.56x = 221,031.72 × 53,840.88
  4. Step 4: Simplify right side
    147,400.56x = 11,900,542,312.71
  5. Step 5: Solve for x
    x = 11,900,542,312.71/147,400.56
  6. Step 6: Final answer
    x = 80,736.07

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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.