Home / 106,172.77-146,514.75-58,421.65

Finding the Fourth Proportional to 106,172.77, 146,514.75 and 58,421.65

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Solution

The fourth proportional to 106,172.77, 146,514.75 and 58,421.65 is: 80,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,172.77 : 146,514.75 = 58,421.65 : x
  2. Step 2: Convert to fraction form
    106,172.77/146,514.75 = 58,421.65/x
  3. Step 3: Cross multiply
    106,172.77x = 146,514.75 × 58,421.65
  4. Step 4: Simplify right side
    106,172.77x = 8,559,633,444.34
  5. Step 5: Solve for x
    x = 8,559,633,444.34/106,172.77
  6. Step 6: Final answer
    x = 80,619.86

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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.