Home / 145,901.14-218,950.30-51,132.28

Finding the Fourth Proportional to 145,901.14, 218,950.30 and 51,132.28

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Solution

The fourth proportional to 145,901.14, 218,950.30 and 51,132.28 is: 76,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,901.14 : 218,950.30 = 51,132.28 : x
  2. Step 2: Convert to fraction form
    145,901.14/218,950.30 = 51,132.28/x
  3. Step 3: Cross multiply
    145,901.14x = 218,950.30 × 51,132.28
  4. Step 4: Simplify right side
    145,901.14x = 11,195,428,444.74
  5. Step 5: Solve for x
    x = 11,195,428,444.74/145,901.14
  6. Step 6: Final answer
    x = 76,732.97

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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.