Home / 136,965.77-189,070.98-83,267.93

Finding the Fourth Proportional to 136,965.77, 189,070.98 and 83,267.93

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Solution

The fourth proportional to 136,965.77, 189,070.98 and 83,267.93 is: 114,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,965.77 : 189,070.98 = 83,267.93 : x
  2. Step 2: Convert to fraction form
    136,965.77/189,070.98 = 83,267.93/x
  3. Step 3: Cross multiply
    136,965.77x = 189,070.98 × 83,267.93
  4. Step 4: Simplify right side
    136,965.77x = 15,743,549,288.09
  5. Step 5: Solve for x
    x = 15,743,549,288.09/136,965.77
  6. Step 6: Final answer
    x = 114,945.14

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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.