Home / 137,248.83-189,335.88-86,323.32

Finding the Fourth Proportional to 137,248.83, 189,335.88 and 86,323.32

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Solution

The fourth proportional to 137,248.83, 189,335.88 and 86,323.32 is: 119,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,248.83 : 189,335.88 = 86,323.32 : x
  2. Step 2: Convert to fraction form
    137,248.83/189,335.88 = 86,323.32/x
  3. Step 3: Cross multiply
    137,248.83x = 189,335.88 × 86,323.32
  4. Step 4: Simplify right side
    137,248.83x = 16,344,101,756.72
  5. Step 5: Solve for x
    x = 16,344,101,756.72/137,248.83
  6. Step 6: Final answer
    x = 119,083.72

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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.