Home / 165,430.61-248,126.13-45,499.76

Finding the Fourth Proportional to 165,430.61, 248,126.13 and 45,499.76

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Solution

The fourth proportional to 165,430.61, 248,126.13 and 45,499.76 is: 68,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,430.61 : 248,126.13 = 45,499.76 : x
  2. Step 2: Convert to fraction form
    165,430.61/248,126.13 = 45,499.76/x
  3. Step 3: Cross multiply
    165,430.61x = 248,126.13 × 45,499.76
  4. Step 4: Simplify right side
    165,430.61x = 11,289,678,124.10
  5. Step 5: Solve for x
    x = 11,289,678,124.10/165,430.61
  6. Step 6: Final answer
    x = 68,244.19

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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.