Home / 105,290.46-145,254.12-62,824.32

Finding the Fourth Proportional to 105,290.46, 145,254.12 and 62,824.32

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Solution

The fourth proportional to 105,290.46, 145,254.12 and 62,824.32 is: 86,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,290.46 : 145,254.12 = 62,824.32 : x
  2. Step 2: Convert to fraction form
    105,290.46/145,254.12 = 62,824.32/x
  3. Step 3: Cross multiply
    105,290.46x = 145,254.12 × 62,824.32
  4. Step 4: Simplify right side
    105,290.46x = 9,125,491,316.20
  5. Step 5: Solve for x
    x = 9,125,491,316.20/105,290.46
  6. Step 6: Final answer
    x = 86,669.69

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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.