Home / 145,547.09-218,251.50-50,765.76

Finding the Fourth Proportional to 145,547.09, 218,251.50 and 50,765.76

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Solution

The fourth proportional to 145,547.09, 218,251.50 and 50,765.76 is: 76,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547.09 : 218,251.50 = 50,765.76 : x
  2. Step 2: Convert to fraction form
    145,547.09/218,251.50 = 50,765.76/x
  3. Step 3: Cross multiply
    145,547.09x = 218,251.50 × 50,765.76
  4. Step 4: Simplify right side
    145,547.09x = 11,079,703,906.27
  5. Step 5: Solve for x
    x = 11,079,703,906.27/145,547.09
  6. Step 6: Final answer
    x = 76,124.53

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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.