Home / 171,501.60-257,252.40-168,221.10

Finding the Fourth Proportional to 171,501.60, 257,252.40 and 168,221.10

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Solution

The fourth proportional to 171,501.60, 257,252.40 and 168,221.10 is: 252,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,501.60 : 257,252.40 = 168,221.10 : x
  2. Step 2: Convert to fraction form
    171,501.60/257,252.40 = 168,221.10/x
  3. Step 3: Cross multiply
    171,501.60x = 257,252.40 × 168,221.10
  4. Step 4: Simplify right side
    171,501.60x = 43,275,281,705.64
  5. Step 5: Solve for x
    x = 43,275,281,705.64/171,501.60
  6. Step 6: Final answer
    x = 252,331.65

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1.5x scale

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.