Home / 136,594.40-188,499.47-76,165.79

Finding the Fourth Proportional to 136,594.40, 188,499.47 and 76,165.79

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Solution

The fourth proportional to 136,594.40, 188,499.47 and 76,165.79 is: 105,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,594.40 : 188,499.47 = 76,165.79 : x
  2. Step 2: Convert to fraction form
    136,594.40/188,499.47 = 76,165.79/x
  3. Step 3: Cross multiply
    136,594.40x = 188,499.47 × 76,165.79
  4. Step 4: Simplify right side
    136,594.40x = 14,357,209,723.81
  5. Step 5: Solve for x
    x = 14,357,209,723.81/136,594.40
  6. Step 6: Final answer
    x = 105,108.34

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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.