Home / 118,799.22-178,225.40-39,911.28

Finding the Fourth Proportional to 118,799.22, 178,225.40 and 39,911.28

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Solution

The fourth proportional to 118,799.22, 178,225.40 and 39,911.28 is: 59,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799.22 : 178,225.40 = 39,911.28 : x
  2. Step 2: Convert to fraction form
    118,799.22/178,225.40 = 39,911.28/x
  3. Step 3: Cross multiply
    118,799.22x = 178,225.40 × 39,911.28
  4. Step 4: Simplify right side
    118,799.22x = 7,113,203,842.51
  5. Step 5: Solve for x
    x = 7,113,203,842.51/118,799.22
  6. Step 6: Final answer
    x = 59,875.85

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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.