Home / 163,748.80-245,623.18-45,420.14

Finding the Fourth Proportional to 163,748.80, 245,623.18 and 45,420.14

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Solution

The fourth proportional to 163,748.80, 245,623.18 and 45,420.14 is: 68,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,748.80 : 245,623.18 = 45,420.14 : x
  2. Step 2: Convert to fraction form
    163,748.80/245,623.18 = 45,420.14/x
  3. Step 3: Cross multiply
    163,748.80x = 245,623.18 × 45,420.14
  4. Step 4: Simplify right side
    163,748.80x = 11,156,239,222.85
  5. Step 5: Solve for x
    x = 11,156,239,222.85/163,748.80
  6. Step 6: Final answer
    x = 68,130.20

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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.