Home / 118,538.24-177,831.65-39,653.15

Finding the Fourth Proportional to 118,538.24, 177,831.65 and 39,653.15

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Solution

The fourth proportional to 118,538.24, 177,831.65 and 39,653.15 is: 59,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.24 : 177,831.65 = 39,653.15 : x
  2. Step 2: Convert to fraction form
    118,538.24/177,831.65 = 39,653.15/x
  3. Step 3: Cross multiply
    118,538.24x = 177,831.65 × 39,653.15
  4. Step 4: Simplify right side
    118,538.24x = 7,051,584,302.17
  5. Step 5: Solve for x
    x = 7,051,584,302.17/118,538.24
  6. Step 6: Final answer
    x = 59,487.85

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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.