Home / 215,139.96-296,900.46-118,347.93

Finding the Fourth Proportional to 215,139.96, 296,900.46 and 118,347.93

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Solution

The fourth proportional to 215,139.96, 296,900.46 and 118,347.93 is: 163,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,139.96 : 296,900.46 = 118,347.93 : x
  2. Step 2: Convert to fraction form
    215,139.96/296,900.46 = 118,347.93/x
  3. Step 3: Cross multiply
    215,139.96x = 296,900.46 × 118,347.93
  4. Step 4: Simplify right side
    215,139.96x = 35,137,554,857.05
  5. Step 5: Solve for x
    x = 35,137,554,857.05/215,139.96
  6. Step 6: Final answer
    x = 163,324.17

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1.5x scale

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.