Home / 106,637.85-147,154.32-66,350.34

Finding the Fourth Proportional to 106,637.85, 147,154.32 and 66,350.34

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Solution

The fourth proportional to 106,637.85, 147,154.32 and 66,350.34 is: 91,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,637.85 : 147,154.32 = 66,350.34 : x
  2. Step 2: Convert to fraction form
    106,637.85/147,154.32 = 66,350.34/x
  3. Step 3: Cross multiply
    106,637.85x = 147,154.32 × 66,350.34
  4. Step 4: Simplify right side
    106,637.85x = 9,763,739,164.47
  5. Step 5: Solve for x
    x = 9,763,739,164.47/106,637.85
  6. Step 6: Final answer
    x = 91,559.79

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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.