Home / 147,030.12-220,530.06-47,261.88

Finding the Fourth Proportional to 147,030.12, 220,530.06 and 47,261.88

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Solution

The fourth proportional to 147,030.12, 220,530.06 and 47,261.88 is: 70,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,030.12 : 220,530.06 = 47,261.88 : x
  2. Step 2: Convert to fraction form
    147,030.12/220,530.06 = 47,261.88/x
  3. Step 3: Cross multiply
    147,030.12x = 220,530.06 × 47,261.88
  4. Step 4: Simplify right side
    147,030.12x = 10,422,665,232.11
  5. Step 5: Solve for x
    x = 10,422,665,232.11/147,030.12
  6. Step 6: Final answer
    x = 70,887.96

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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.