Home / 132,011.46-182,185.47-75,421.62

Finding the Fourth Proportional to 132,011.46, 182,185.47 and 75,421.62

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Solution

The fourth proportional to 132,011.46, 182,185.47 and 75,421.62 is: 104,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,011.46 : 182,185.47 = 75,421.62 : x
  2. Step 2: Convert to fraction form
    132,011.46/182,185.47 = 75,421.62/x
  3. Step 3: Cross multiply
    132,011.46x = 182,185.47 × 75,421.62
  4. Step 4: Simplify right side
    132,011.46x = 13,740,723,287.86
  5. Step 5: Solve for x
    x = 13,740,723,287.86/132,011.46
  6. Step 6: Final answer
    x = 104,087.35

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1.5x scale

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.