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Finding the Fourth Proportional to 130,282.23, 179,543.77 and 104,411.40

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Solution

The fourth proportional to 130,282.23, 179,543.77 and 104,411.40 is: 143,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,282.23 : 179,543.77 = 104,411.40 : x
  2. Step 2: Convert to fraction form
    130,282.23/179,543.77 = 104,411.40/x
  3. Step 3: Cross multiply
    130,282.23x = 179,543.77 × 104,411.40
  4. Step 4: Simplify right side
    130,282.23x = 18,746,415,452.66
  5. Step 5: Solve for x
    x = 18,746,415,452.66/130,282.23
  6. Step 6: Final answer
    x = 143,890.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.