Home / 109,909.40-164,693.58-76,241.16

Finding the Fourth Proportional to 109,909.40, 164,693.58 and 76,241.16

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Solution

The fourth proportional to 109,909.40, 164,693.58 and 76,241.16 is: 114,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,909.40 : 164,693.58 = 76,241.16 : x
  2. Step 2: Convert to fraction form
    109,909.40/164,693.58 = 76,241.16/x
  3. Step 3: Cross multiply
    109,909.40x = 164,693.58 × 76,241.16
  4. Step 4: Simplify right side
    109,909.40x = 12,556,429,583.75
  5. Step 5: Solve for x
    x = 12,556,429,583.75/109,909.40
  6. Step 6: Final answer
    x = 114,243.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.