Home / 145,236.48-217,883.88-66,329.52

Finding the Fourth Proportional to 145,236.48, 217,883.88 and 66,329.52

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Solution

The fourth proportional to 145,236.48, 217,883.88 and 66,329.52 is: 99,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,236.48 : 217,883.88 = 66,329.52 : x
  2. Step 2: Convert to fraction form
    145,236.48/217,883.88 = 66,329.52/x
  3. Step 3: Cross multiply
    145,236.48x = 217,883.88 × 66,329.52
  4. Step 4: Simplify right side
    145,236.48x = 14,452,133,176.14
  5. Step 5: Solve for x
    x = 14,452,133,176.14/145,236.48
  6. Step 6: Final answer
    x = 99,507.60

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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.