Home / 147,031.12-220,531.56-47,262.88

Finding the Fourth Proportional to 147,031.12, 220,531.56 and 47,262.88

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Solution

The fourth proportional to 147,031.12, 220,531.56 and 47,262.88 is: 70,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,031.12 : 220,531.56 = 47,262.88 : x
  2. Step 2: Convert to fraction form
    147,031.12/220,531.56 = 47,262.88/x
  3. Step 3: Cross multiply
    147,031.12x = 220,531.56 × 47,262.88
  4. Step 4: Simplify right side
    147,031.12x = 10,422,956,656.49
  5. Step 5: Solve for x
    x = 10,422,956,656.49/147,031.12
  6. Step 6: Final answer
    x = 70,889.46

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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.