Home / 239,513.16-359,490.87-121,267.35

Finding the Fourth Proportional to 239,513.16, 359,490.87 and 121,267.35

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Solution

The fourth proportional to 239,513.16, 359,490.87 and 121,267.35 is: 182,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,513.16 : 359,490.87 = 121,267.35 : x
  2. Step 2: Convert to fraction form
    239,513.16/359,490.87 = 121,267.35/x
  3. Step 3: Cross multiply
    239,513.16x = 359,490.87 × 121,267.35
  4. Step 4: Simplify right side
    239,513.16x = 43,594,505,154.09
  5. Step 5: Solve for x
    x = 43,594,505,154.09/239,513.16
  6. Step 6: Final answer
    x = 182,012.98

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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.