Home / 239,425.32-330,406.98-137,457.39

Finding the Fourth Proportional to 239,425.32, 330,406.98 and 137,457.39

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Solution

The fourth proportional to 239,425.32, 330,406.98 and 137,457.39 is: 189,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,425.32 : 330,406.98 = 137,457.39 : x
  2. Step 2: Convert to fraction form
    239,425.32/330,406.98 = 137,457.39/x
  3. Step 3: Cross multiply
    239,425.32x = 330,406.98 × 137,457.39
  4. Step 4: Simplify right side
    239,425.32x = 45,416,881,108.58
  5. Step 5: Solve for x
    x = 45,416,881,108.58/239,425.32
  6. Step 6: Final answer
    x = 189,691.22

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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.