Home / 163,440.20-245,111.70-63,542.90

Finding the Fourth Proportional to 163,440.20, 245,111.70 and 63,542.90

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Solution

The fourth proportional to 163,440.20, 245,111.70 and 63,542.90 is: 95,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,440.20 : 245,111.70 = 63,542.90 : x
  2. Step 2: Convert to fraction form
    163,440.20/245,111.70 = 63,542.90/x
  3. Step 3: Cross multiply
    163,440.20x = 245,111.70 × 63,542.90
  4. Step 4: Simplify right side
    163,440.20x = 15,575,108,241.93
  5. Step 5: Solve for x
    x = 15,575,108,241.93/163,440.20
  6. Step 6: Final answer
    x = 95,295.46

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1.5x scale

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.