Home / 105,284.43-145,245.87-62,818.29

Finding the Fourth Proportional to 105,284.43, 145,245.87 and 62,818.29

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Solution

The fourth proportional to 105,284.43, 145,245.87 and 62,818.29 is: 86,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,284.43 : 145,245.87 = 62,818.29 : x
  2. Step 2: Convert to fraction form
    105,284.43/145,245.87 = 62,818.29/x
  3. Step 3: Cross multiply
    105,284.43x = 145,245.87 × 62,818.29
  4. Step 4: Simplify right side
    105,284.43x = 9,124,097,182.96
  5. Step 5: Solve for x
    x = 9,124,097,182.96/105,284.43
  6. Step 6: Final answer
    x = 86,661.41

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1.5x scale

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.