Home / 207,182.81-310,774.21-137,045.72

Finding the Fourth Proportional to 207,182.81, 310,774.21 and 137,045.72

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Solution

The fourth proportional to 207,182.81, 310,774.21 and 137,045.72 is: 205,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,182.81 : 310,774.21 = 137,045.72 : x
  2. Step 2: Convert to fraction form
    207,182.81/310,774.21 = 137,045.72/x
  3. Step 3: Cross multiply
    207,182.81x = 310,774.21 × 137,045.72
  4. Step 4: Simplify right side
    207,182.81x = 42,590,275,801.20
  5. Step 5: Solve for x
    x = 42,590,275,801.20/207,182.81
  6. Step 6: Final answer
    x = 205,568.58

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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.