Home / 106,666.90-147,199.87-58,920.25

Finding the Fourth Proportional to 106,666.90, 147,199.87 and 58,920.25

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Solution

The fourth proportional to 106,666.90, 147,199.87 and 58,920.25 is: 81,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,666.90 : 147,199.87 = 58,920.25 : x
  2. Step 2: Convert to fraction form
    106,666.90/147,199.87 = 58,920.25/x
  3. Step 3: Cross multiply
    106,666.90x = 147,199.87 × 58,920.25
  4. Step 4: Simplify right side
    106,666.90x = 8,673,052,404.37
  5. Step 5: Solve for x
    x = 8,673,052,404.37/106,666.90
  6. Step 6: Final answer
    x = 81,309.69

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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.