Home / 113,888.48-170,723.14-76,458.89

Finding the Fourth Proportional to 113,888.48, 170,723.14 and 76,458.89

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Solution

The fourth proportional to 113,888.48, 170,723.14 and 76,458.89 is: 114,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,888.48 : 170,723.14 = 76,458.89 : x
  2. Step 2: Convert to fraction form
    113,888.48/170,723.14 = 76,458.89/x
  3. Step 3: Cross multiply
    113,888.48x = 170,723.14 × 76,458.89
  4. Step 4: Simplify right side
    113,888.48x = 13,053,301,487.14
  5. Step 5: Solve for x
    x = 13,053,301,487.14/113,888.48
  6. Step 6: Final answer
    x = 114,614.77

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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.