Home / 106,566.55-147,115.07-66,293.40

Finding the Fourth Proportional to 106,566.55, 147,115.07 and 66,293.40

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Solution

The fourth proportional to 106,566.55, 147,115.07 and 66,293.40 is: 91,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,566.55 : 147,115.07 = 66,293.40 : x
  2. Step 2: Convert to fraction form
    106,566.55/147,115.07 = 66,293.40/x
  3. Step 3: Cross multiply
    106,566.55x = 147,115.07 × 66,293.40
  4. Step 4: Simplify right side
    106,566.55x = 9,752,758,650.35
  5. Step 5: Solve for x
    x = 9,752,758,650.35/106,566.55
  6. Step 6: Final answer
    x = 91,518.01

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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.