Home / 122,357.85-183,536.78-103,695.45

Finding the Fourth Proportional to 122,357.85, 183,536.78 and 103,695.45

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Solution

The fourth proportional to 122,357.85, 183,536.78 and 103,695.45 is: 155,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,357.85 : 183,536.78 = 103,695.45 : x
  2. Step 2: Convert to fraction form
    122,357.85/183,536.78 = 103,695.45/x
  3. Step 3: Cross multiply
    122,357.85x = 183,536.78 × 103,695.45
  4. Step 4: Simplify right side
    122,357.85x = 19,031,928,993.65
  5. Step 5: Solve for x
    x = 19,031,928,993.65/122,357.85
  6. Step 6: Final answer
    x = 155,543.18

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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.