Home / 137,386.31-207,138.95-136,533.38

Finding the Fourth Proportional to 137,386.31, 207,138.95 and 136,533.38

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Solution

The fourth proportional to 137,386.31, 207,138.95 and 136,533.38 is: 205,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,386.31 : 207,138.95 = 136,533.38 : x
  2. Step 2: Convert to fraction form
    137,386.31/207,138.95 = 136,533.38/x
  3. Step 3: Cross multiply
    137,386.31x = 207,138.95 × 136,533.38
  4. Step 4: Simplify right side
    137,386.31x = 28,281,379,766.79
  5. Step 5: Solve for x
    x = 28,281,379,766.79/137,386.31
  6. Step 6: Final answer
    x = 205,852.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.