Home / 105,109.04-145,050.92-57,363.41

Finding the Fourth Proportional to 105,109.04, 145,050.92 and 57,363.41

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Solution

The fourth proportional to 105,109.04, 145,050.92 and 57,363.41 is: 79,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,109.04 : 145,050.92 = 57,363.41 : x
  2. Step 2: Convert to fraction form
    105,109.04/145,050.92 = 57,363.41/x
  3. Step 3: Cross multiply
    105,109.04x = 145,050.92 × 57,363.41
  4. Step 4: Simplify right side
    105,109.04x = 8,320,614,382.77
  5. Step 5: Solve for x
    x = 8,320,614,382.77/105,109.04
  6. Step 6: Final answer
    x = 79,161.74

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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.