Home / 170,999.40-256,499.10-166,078.65

Finding the Fourth Proportional to 170,999.40, 256,499.10 and 166,078.65

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Solution

The fourth proportional to 170,999.40, 256,499.10 and 166,078.65 is: 249,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.40 : 256,499.10 = 166,078.65 : x
  2. Step 2: Convert to fraction form
    170,999.40/256,499.10 = 166,078.65/x
  3. Step 3: Cross multiply
    170,999.40x = 256,499.10 × 166,078.65
  4. Step 4: Simplify right side
    170,999.40x = 42,599,024,254.22
  5. Step 5: Solve for x
    x = 42,599,024,254.22/170,999.40
  6. Step 6: Final answer
    x = 249,117.98

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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.