Home / 149,261.32-223,807.74-55,729

Finding the Fourth Proportional to 149,261.32, 223,807.74 and 55,729

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Solution

The fourth proportional to 149,261.32, 223,807.74 and 55,729 is: 83,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,261.32 : 223,807.74 = 55,729 : x
  2. Step 2: Convert to fraction form
    149,261.32/223,807.74 = 55,729/x
  3. Step 3: Cross multiply
    149,261.32x = 223,807.74 × 55,729
  4. Step 4: Simplify right side
    149,261.32x = 12,472,581,542.46
  5. Step 5: Solve for x
    x = 12,472,581,542.46/149,261.32
  6. Step 6: Final answer
    x = 83,562.05

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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.