Home / 169,272.20-253,973.10-166,615.40

Finding the Fourth Proportional to 169,272.20, 253,973.10 and 166,615.40

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Solution

The fourth proportional to 169,272.20, 253,973.10 and 166,615.40 is: 249,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,272.20 : 253,973.10 = 166,615.40 : x
  2. Step 2: Convert to fraction form
    169,272.20/253,973.10 = 166,615.40/x
  3. Step 3: Cross multiply
    169,272.20x = 253,973.10 × 166,615.40
  4. Step 4: Simplify right side
    169,272.20x = 42,315,829,645.74
  5. Step 5: Solve for x
    x = 42,315,829,645.74/169,272.20
  6. Step 6: Final answer
    x = 249,986.88

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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.