Home / 123,438.40-185,211.07-43,533.46

Finding the Fourth Proportional to 123,438.40, 185,211.07 and 43,533.46

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Solution

The fourth proportional to 123,438.40, 185,211.07 and 43,533.46 is: 65,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,438.40 : 185,211.07 = 43,533.46 : x
  2. Step 2: Convert to fraction form
    123,438.40/185,211.07 = 43,533.46/x
  3. Step 3: Cross multiply
    123,438.40x = 185,211.07 × 43,533.46
  4. Step 4: Simplify right side
    123,438.40x = 8,062,878,707.40
  5. Step 5: Solve for x
    x = 8,062,878,707.40/123,438.40
  6. Step 6: Final answer
    x = 65,319.05

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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.