Home / 161,636.58-242,365.37-74,988.11

Finding the Fourth Proportional to 161,636.58, 242,365.37 and 74,988.11

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Solution

The fourth proportional to 161,636.58, 242,365.37 and 74,988.11 is: 112,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,636.58 : 242,365.37 = 74,988.11 : x
  2. Step 2: Convert to fraction form
    161,636.58/242,365.37 = 74,988.11/x
  3. Step 3: Cross multiply
    161,636.58x = 242,365.37 × 74,988.11
  4. Step 4: Simplify right side
    161,636.58x = 18,174,521,256.72
  5. Step 5: Solve for x
    x = 18,174,521,256.72/161,636.58
  6. Step 6: Final answer
    x = 112,440.64

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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.