Home / 239,866.60-331,026.66-137,925.16

Finding the Fourth Proportional to 239,866.60, 331,026.66 and 137,925.16

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Solution

The fourth proportional to 239,866.60, 331,026.66 and 137,925.16 is: 190,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,866.60 : 331,026.66 = 137,925.16 : x
  2. Step 2: Convert to fraction form
    239,866.60/331,026.66 = 137,925.16/x
  3. Step 3: Cross multiply
    239,866.60x = 331,026.66 × 137,925.16
  4. Step 4: Simplify right side
    239,866.60x = 45,656,905,044.77
  5. Step 5: Solve for x
    x = 45,656,905,044.77/239,866.60
  6. Step 6: Final answer
    x = 190,342.90

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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.