Home / 136,529.55-188,411.64-76,104.02

Finding the Fourth Proportional to 136,529.55, 188,411.64 and 76,104.02

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Solution

The fourth proportional to 136,529.55, 188,411.64 and 76,104.02 is: 105,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,529.55 : 188,411.64 = 76,104.02 : x
  2. Step 2: Convert to fraction form
    136,529.55/188,411.64 = 76,104.02/x
  3. Step 3: Cross multiply
    136,529.55x = 188,411.64 × 76,104.02
  4. Step 4: Simplify right side
    136,529.55x = 14,338,883,218.79
  5. Step 5: Solve for x
    x = 14,338,883,218.79/136,529.55
  6. Step 6: Final answer
    x = 105,024.03

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Why These Related Problems?

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