Home / 146,538.60-219,807.90-145,501.80

Finding the Fourth Proportional to 146,538.60, 219,807.90 and 145,501.80

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Solution

The fourth proportional to 146,538.60, 219,807.90 and 145,501.80 is: 218,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.60 : 219,807.90 = 145,501.80 : x
  2. Step 2: Convert to fraction form
    146,538.60/219,807.90 = 145,501.80/x
  3. Step 3: Cross multiply
    146,538.60x = 219,807.90 × 145,501.80
  4. Step 4: Simplify right side
    146,538.60x = 31,982,445,104.22
  5. Step 5: Solve for x
    x = 31,982,445,104.22/146,538.60
  6. Step 6: Final answer
    x = 218,252.70

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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.