Home / 163,957.24-245,937.30-45,638.20

Finding the Fourth Proportional to 163,957.24, 245,937.30 and 45,638.20

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Solution

The fourth proportional to 163,957.24, 245,937.30 and 45,638.20 is: 68,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,957.24 : 245,937.30 = 45,638.20 : x
  2. Step 2: Convert to fraction form
    163,957.24/245,937.30 = 45,638.20/x
  3. Step 3: Cross multiply
    163,957.24x = 245,937.30 × 45,638.20
  4. Step 4: Simplify right side
    163,957.24x = 11,224,135,684.86
  5. Step 5: Solve for x
    x = 11,224,135,684.86/163,957.24
  6. Step 6: Final answer
    x = 68,457.70

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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.