Home / 243,055.24-335,366.15-139,669.47

Finding the Fourth Proportional to 243,055.24, 335,366.15 and 139,669.47

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Solution

The fourth proportional to 243,055.24, 335,366.15 and 139,669.47 is: 192,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,055.24 : 335,366.15 = 139,669.47 : x
  2. Step 2: Convert to fraction form
    243,055.24/335,366.15 = 139,669.47/x
  3. Step 3: Cross multiply
    243,055.24x = 335,366.15 × 139,669.47
  4. Step 4: Simplify right side
    243,055.24x = 46,840,412,798.64
  5. Step 5: Solve for x
    x = 46,840,412,798.64/243,055.24
  6. Step 6: Final answer
    x = 192,715.09

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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.