Home / 137,677.20-190,004.34-76,426.62

Finding the Fourth Proportional to 137,677.20, 190,004.34 and 76,426.62

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Solution

The fourth proportional to 137,677.20, 190,004.34 and 76,426.62 is: 105,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,677.20 : 190,004.34 = 76,426.62 : x
  2. Step 2: Convert to fraction form
    137,677.20/190,004.34 = 76,426.62/x
  3. Step 3: Cross multiply
    137,677.20x = 190,004.34 × 76,426.62
  4. Step 4: Simplify right side
    137,677.20x = 14,521,389,491.53
  5. Step 5: Solve for x
    x = 14,521,389,491.53/137,677.20
  6. Step 6: Final answer
    x = 105,474.18

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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.