Home / 105,479.24-145,532.48-60,140.66

Finding the Fourth Proportional to 105,479.24, 145,532.48 and 60,140.66

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Solution

The fourth proportional to 105,479.24, 145,532.48 and 60,140.66 is: 82,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,479.24 : 145,532.48 = 60,140.66 : x
  2. Step 2: Convert to fraction form
    105,479.24/145,532.48 = 60,140.66/x
  3. Step 3: Cross multiply
    105,479.24x = 145,532.48 × 60,140.66
  4. Step 4: Simplify right side
    105,479.24x = 8,752,418,370.27
  5. Step 5: Solve for x
    x = 8,752,418,370.27/105,479.24
  6. Step 6: Final answer
    x = 82,977.64

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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.