Home / 168,970.20-253,455.30-166,345.80

Finding the Fourth Proportional to 168,970.20, 253,455.30 and 166,345.80

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Solution

The fourth proportional to 168,970.20, 253,455.30 and 166,345.80 is: 249,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,970.20 : 253,455.30 = 166,345.80 : x
  2. Step 2: Convert to fraction form
    168,970.20/253,455.30 = 166,345.80/x
  3. Step 3: Cross multiply
    168,970.20x = 253,455.30 × 166,345.80
  4. Step 4: Simplify right side
    168,970.20x = 42,161,224,642.74
  5. Step 5: Solve for x
    x = 42,161,224,642.74/168,970.20
  6. Step 6: Final answer
    x = 249,518.70

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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.