Home / 245,921.16-369,134.46-127,560.72

Finding the Fourth Proportional to 245,921.16, 369,134.46 and 127,560.72

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Solution

The fourth proportional to 245,921.16, 369,134.46 and 127,560.72 is: 191,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,921.16 : 369,134.46 = 127,560.72 : x
  2. Step 2: Convert to fraction form
    245,921.16/369,134.46 = 127,560.72/x
  3. Step 3: Cross multiply
    245,921.16x = 369,134.46 × 127,560.72
  4. Step 4: Simplify right side
    245,921.16x = 47,087,057,494.41
  5. Step 5: Solve for x
    x = 47,087,057,494.41/245,921.16
  6. Step 6: Final answer
    x = 191,472.17

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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.