Home / 146,412.60-219,618.90-91,116.60

Finding the Fourth Proportional to 146,412.60, 219,618.90 and 91,116.60

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Solution

The fourth proportional to 146,412.60, 219,618.90 and 91,116.60 is: 136,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,412.60 : 219,618.90 = 91,116.60 : x
  2. Step 2: Convert to fraction form
    146,412.60/219,618.90 = 91,116.60/x
  3. Step 3: Cross multiply
    146,412.60x = 219,618.90 × 91,116.60
  4. Step 4: Simplify right side
    146,412.60x = 20,010,927,463.74
  5. Step 5: Solve for x
    x = 20,010,927,463.74/146,412.60
  6. Step 6: Final answer
    x = 136,674.90

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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.