Home / 114,739.28-158,342.24-63,756.72

Finding the Fourth Proportional to 114,739.28, 158,342.24 and 63,756.72

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Solution

The fourth proportional to 114,739.28, 158,342.24 and 63,756.72 is: 87,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,739.28 : 158,342.24 = 63,756.72 : x
  2. Step 2: Convert to fraction form
    114,739.28/158,342.24 = 63,756.72/x
  3. Step 3: Cross multiply
    114,739.28x = 158,342.24 × 63,756.72
  4. Step 4: Simplify right side
    114,739.28x = 10,095,381,859.85
  5. Step 5: Solve for x
    x = 10,095,381,859.85/114,739.28
  6. Step 6: Final answer
    x = 87,985.40

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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.