Home / 76,154.16-114,336.09-38,739.57

Finding the Fourth Proportional to 76,154.16, 114,336.09 and 38,739.57

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Solution

The fourth proportional to 76,154.16, 114,336.09 and 38,739.57 is: 58,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,154.16 : 114,336.09 = 38,739.57 : x
  2. Step 2: Convert to fraction form
    76,154.16/114,336.09 = 38,739.57/x
  3. Step 3: Cross multiply
    76,154.16x = 114,336.09 × 38,739.57
  4. Step 4: Simplify right side
    76,154.16x = 4,429,330,962.08
  5. Step 5: Solve for x
    x = 4,429,330,962.08/76,154.16
  6. Step 6: Final answer
    x = 58,162.69

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1.5x scale

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.