Home / 146,587.80-219,881.70-145,032.60

Finding the Fourth Proportional to 146,587.80, 219,881.70 and 145,032.60

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Solution

The fourth proportional to 146,587.80, 219,881.70 and 145,032.60 is: 217,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,587.80 : 219,881.70 = 145,032.60 : x
  2. Step 2: Convert to fraction form
    146,587.80/219,881.70 = 145,032.60/x
  3. Step 3: Cross multiply
    146,587.80x = 219,881.70 × 145,032.60
  4. Step 4: Simplify right side
    146,587.80x = 31,890,014,643.42
  5. Step 5: Solve for x
    x = 31,890,014,643.42/146,587.80
  6. Step 6: Final answer
    x = 217,548.90

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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.