Home / 239,055.59-329,869.32-137,053

Finding the Fourth Proportional to 239,055.59, 329,869.32 and 137,053

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Solution

The fourth proportional to 239,055.59, 329,869.32 and 137,053 is: 189,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,055.59 : 329,869.32 = 137,053 : x
  2. Step 2: Convert to fraction form
    239,055.59/329,869.32 = 137,053/x
  3. Step 3: Cross multiply
    239,055.59x = 329,869.32 × 137,053
  4. Step 4: Simplify right side
    239,055.59x = 45,209,579,913.96
  5. Step 5: Solve for x
    x = 45,209,579,913.96/239,055.59
  6. Step 6: Final answer
    x = 189,117.43

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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.