Home / 137,260.19-189,362.67-83,536.40

Finding the Fourth Proportional to 137,260.19, 189,362.67 and 83,536.40

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Solution

The fourth proportional to 137,260.19, 189,362.67 and 83,536.40 is: 115,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,260.19 : 189,362.67 = 83,536.40 : x
  2. Step 2: Convert to fraction form
    137,260.19/189,362.67 = 83,536.40/x
  3. Step 3: Cross multiply
    137,260.19x = 189,362.67 × 83,536.40
  4. Step 4: Simplify right side
    137,260.19x = 15,818,675,746.19
  5. Step 5: Solve for x
    x = 15,818,675,746.19/137,260.19
  6. Step 6: Final answer
    x = 115,245.91

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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.