Home / 169,280.20-253,985.10-166,623.40

Finding the Fourth Proportional to 169,280.20, 253,985.10 and 166,623.40

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Solution

The fourth proportional to 169,280.20, 253,985.10 and 166,623.40 is: 249,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,280.20 : 253,985.10 = 166,623.40 : x
  2. Step 2: Convert to fraction form
    169,280.20/253,985.10 = 166,623.40/x
  3. Step 3: Cross multiply
    169,280.20x = 253,985.10 × 166,623.40
  4. Step 4: Simplify right side
    169,280.20x = 42,319,860,911.34
  5. Step 5: Solve for x
    x = 42,319,860,911.34/169,280.20
  6. Step 6: Final answer
    x = 249,998.88

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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.