Home / 103,752.04-143,178.66-59,042.92

Finding the Fourth Proportional to 103,752.04, 143,178.66 and 59,042.92

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Solution

The fourth proportional to 103,752.04, 143,178.66 and 59,042.92 is: 81,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,752.04 : 143,178.66 = 59,042.92 : x
  2. Step 2: Convert to fraction form
    103,752.04/143,178.66 = 59,042.92/x
  3. Step 3: Cross multiply
    103,752.04x = 143,178.66 × 59,042.92
  4. Step 4: Simplify right side
    103,752.04x = 8,453,686,168.09
  5. Step 5: Solve for x
    x = 8,453,686,168.09/103,752.04
  6. Step 6: Final answer
    x = 81,479.71

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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.