Home / 145,944.81-218,917.22-112,713.35

Finding the Fourth Proportional to 145,944.81, 218,917.22 and 112,713.35

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Solution

The fourth proportional to 145,944.81, 218,917.22 and 112,713.35 is: 169,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,944.81 : 218,917.22 = 112,713.35 : x
  2. Step 2: Convert to fraction form
    145,944.81/218,917.22 = 112,713.35/x
  3. Step 3: Cross multiply
    145,944.81x = 218,917.22 × 112,713.35
  4. Step 4: Simplify right side
    145,944.81x = 24,674,891,580.73
  5. Step 5: Solve for x
    x = 24,674,891,580.73/145,944.81
  6. Step 6: Final answer
    x = 169,070.02

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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.