Home / 105,375.61-145,428.04-62,933.23

Finding the Fourth Proportional to 105,375.61, 145,428.04 and 62,933.23

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Solution

The fourth proportional to 105,375.61, 145,428.04 and 62,933.23 is: 86,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,375.61 : 145,428.04 = 62,933.23 : x
  2. Step 2: Convert to fraction form
    105,375.61/145,428.04 = 62,933.23/x
  3. Step 3: Cross multiply
    105,375.61x = 145,428.04 × 62,933.23
  4. Step 4: Simplify right side
    105,375.61x = 9,152,256,289.77
  5. Step 5: Solve for x
    x = 9,152,256,289.77/105,375.61
  6. Step 6: Final answer
    x = 86,853.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.