Home / 145,036.37-217,344.26-102,998.79

Finding the Fourth Proportional to 145,036.37, 217,344.26 and 102,998.79

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Solution

The fourth proportional to 145,036.37, 217,344.26 and 102,998.79 is: 154,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,036.37 : 217,344.26 = 102,998.79 : x
  2. Step 2: Convert to fraction form
    145,036.37/217,344.26 = 102,998.79/x
  3. Step 3: Cross multiply
    145,036.37x = 217,344.26 × 102,998.79
  4. Step 4: Simplify right side
    145,036.37x = 22,386,196,050.94
  5. Step 5: Solve for x
    x = 22,386,196,050.94/145,036.37
  6. Step 6: Final answer
    x = 154,348.84

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1.5x scale

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.