Home / 163,561.30-245,998.05-146,502.70

Finding the Fourth Proportional to 163,561.30, 245,998.05 and 146,502.70

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Solution

The fourth proportional to 163,561.30, 245,998.05 and 146,502.70 is: 220,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,561.30 : 245,998.05 = 146,502.70 : x
  2. Step 2: Convert to fraction form
    163,561.30/245,998.05 = 146,502.70/x
  3. Step 3: Cross multiply
    163,561.30x = 245,998.05 × 146,502.70
  4. Step 4: Simplify right side
    163,561.30x = 36,039,378,519.74
  5. Step 5: Solve for x
    x = 36,039,378,519.74/163,561.30
  6. Step 6: Final answer
    x = 220,341.72

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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.