Home / 97,811.15-146,530.52-55,720.20

Finding the Fourth Proportional to 97,811.15, 146,530.52 and 55,720.20

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Solution

The fourth proportional to 97,811.15, 146,530.52 and 55,720.20 is: 83,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.15 : 146,530.52 = 55,720.20 : x
  2. Step 2: Convert to fraction form
    97,811.15/146,530.52 = 55,720.20/x
  3. Step 3: Cross multiply
    97,811.15x = 146,530.52 × 55,720.20
  4. Step 4: Simplify right side
    97,811.15x = 8,164,710,360.34
  5. Step 5: Solve for x
    x = 8,164,710,360.34/97,811.15
  6. Step 6: Final answer
    x = 83,474.23

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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.