Home / 146,623.60-219,838.20-53,117.20

Finding the Fourth Proportional to 146,623.60, 219,838.20 and 53,117.20

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Solution

The fourth proportional to 146,623.60, 219,838.20 and 53,117.20 is: 79,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,623.60 : 219,838.20 = 53,117.20 : x
  2. Step 2: Convert to fraction form
    146,623.60/219,838.20 = 53,117.20/x
  3. Step 3: Cross multiply
    146,623.60x = 219,838.20 × 53,117.20
  4. Step 4: Simplify right side
    146,623.60x = 11,677,189,637.04
  5. Step 5: Solve for x
    x = 11,677,189,637.04/146,623.60
  6. Step 6: Final answer
    x = 79,640.59

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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.