Home / 137,320.70-205,981.05-48,674.30

Finding the Fourth Proportional to 137,320.70, 205,981.05 and 48,674.30

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Solution

The fourth proportional to 137,320.70, 205,981.05 and 48,674.30 is: 73,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,320.70 : 205,981.05 = 48,674.30 : x
  2. Step 2: Convert to fraction form
    137,320.70/205,981.05 = 48,674.30/x
  3. Step 3: Cross multiply
    137,320.70x = 205,981.05 × 48,674.30
  4. Step 4: Simplify right side
    137,320.70x = 10,025,983,422.02
  5. Step 5: Solve for x
    x = 10,025,983,422.02/137,320.70
  6. Step 6: Final answer
    x = 73,011.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.