Home / 163,620.30-245,430.45-162,453.90

Finding the Fourth Proportional to 163,620.30, 245,430.45 and 162,453.90

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Solution

The fourth proportional to 163,620.30, 245,430.45 and 162,453.90 is: 243,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620.30 : 245,430.45 = 162,453.90 : x
  2. Step 2: Convert to fraction form
    163,620.30/245,430.45 = 162,453.90/x
  3. Step 3: Cross multiply
    163,620.30x = 245,430.45 × 162,453.90
  4. Step 4: Simplify right side
    163,620.30x = 39,871,133,781.26
  5. Step 5: Solve for x
    x = 39,871,133,781.26/163,620.30
  6. Step 6: Final answer
    x = 243,680.85

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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.