Home / 145,860.16-218,498.40-115,924.92

Finding the Fourth Proportional to 145,860.16, 218,498.40 and 115,924.92

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Solution

The fourth proportional to 145,860.16, 218,498.40 and 115,924.92 is: 173,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,860.16 : 218,498.40 = 115,924.92 : x
  2. Step 2: Convert to fraction form
    145,860.16/218,498.40 = 115,924.92/x
  3. Step 3: Cross multiply
    145,860.16x = 218,498.40 × 115,924.92
  4. Step 4: Simplify right side
    145,860.16x = 25,329,409,540.13
  5. Step 5: Solve for x
    x = 25,329,409,540.13/145,860.16
  6. Step 6: Final answer
    x = 173,655.44

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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.