Home / 84,142.28-126,109.58-46,670.60

Finding the Fourth Proportional to 84,142.28, 126,109.58 and 46,670.60

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Solution

The fourth proportional to 84,142.28, 126,109.58 and 46,670.60 is: 69,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,142.28 : 126,109.58 = 46,670.60 : x
  2. Step 2: Convert to fraction form
    84,142.28/126,109.58 = 46,670.60/x
  3. Step 3: Cross multiply
    84,142.28x = 126,109.58 × 46,670.60
  4. Step 4: Simplify right side
    84,142.28x = 5,885,609,764.35
  5. Step 5: Solve for x
    x = 5,885,609,764.35/84,142.28
  6. Step 6: Final answer
    x = 69,948.30

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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.