Home / 122,329.21-183,449.79-42,345.45

Finding the Fourth Proportional to 122,329.21, 183,449.79 and 42,345.45

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Solution

The fourth proportional to 122,329.21, 183,449.79 and 42,345.45 is: 63,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,329.21 : 183,449.79 = 42,345.45 : x
  2. Step 2: Convert to fraction form
    122,329.21/183,449.79 = 42,345.45/x
  3. Step 3: Cross multiply
    122,329.21x = 183,449.79 × 42,345.45
  4. Step 4: Simplify right side
    122,329.21x = 7,768,262,992.71
  5. Step 5: Solve for x
    x = 7,768,262,992.71/122,329.21
  6. Step 6: Final answer
    x = 63,502.93

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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.