Home / 152,965.80-229,447.08-47,785.68

Finding the Fourth Proportional to 152,965.80, 229,447.08 and 47,785.68

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Solution

The fourth proportional to 152,965.80, 229,447.08 and 47,785.68 is: 71,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,965.80 : 229,447.08 = 47,785.68 : x
  2. Step 2: Convert to fraction form
    152,965.80/229,447.08 = 47,785.68/x
  3. Step 3: Cross multiply
    152,965.80x = 229,447.08 × 47,785.68
  4. Step 4: Simplify right side
    152,965.80x = 10,964,284,741.81
  5. Step 5: Solve for x
    x = 10,964,284,741.81/152,965.80
  6. Step 6: Final answer
    x = 71,678.01

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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.