Home / 147,103.48-220,688-53,609.23

Finding the Fourth Proportional to 147,103.48, 220,688 and 53,609.23

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Solution

The fourth proportional to 147,103.48, 220,688 and 53,609.23 is: 80,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,103.48 : 220,688 = 53,609.23 : x
  2. Step 2: Convert to fraction form
    147,103.48/220,688 = 53,609.23/x
  3. Step 3: Cross multiply
    147,103.48x = 220,688 × 53,609.23
  4. Step 4: Simplify right side
    147,103.48x = 11,830,913,750.24
  5. Step 5: Solve for x
    x = 11,830,913,750.24/147,103.48
  6. Step 6: Final answer
    x = 80,425.79

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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.