Home / 106,018.34-146,306.45-57,620.30

Finding the Fourth Proportional to 106,018.34, 146,306.45 and 57,620.30

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Solution

The fourth proportional to 106,018.34, 146,306.45 and 57,620.30 is: 79,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,018.34 : 146,306.45 = 57,620.30 : x
  2. Step 2: Convert to fraction form
    106,018.34/146,306.45 = 57,620.30/x
  3. Step 3: Cross multiply
    106,018.34x = 146,306.45 × 57,620.30
  4. Step 4: Simplify right side
    106,018.34x = 8,430,220,953.45
  5. Step 5: Solve for x
    x = 8,430,220,953.45/106,018.34
  6. Step 6: Final answer
    x = 79,516.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.