Home / 115,678.20-173,430.90-49,063.80

Finding the Fourth Proportional to 115,678.20, 173,430.90 and 49,063.80

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Solution

The fourth proportional to 115,678.20, 173,430.90 and 49,063.80 is: 73,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,678.20 : 173,430.90 = 49,063.80 : x
  2. Step 2: Convert to fraction form
    115,678.20/173,430.90 = 49,063.80/x
  3. Step 3: Cross multiply
    115,678.20x = 173,430.90 × 49,063.80
  4. Step 4: Simplify right side
    115,678.20x = 8,509,178,991.42
  5. Step 5: Solve for x
    x = 8,509,178,991.42/115,678.20
  6. Step 6: Final answer
    x = 73,559.05

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1.5x scale

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.