Home / 170,423.60-255,635.40-169,386.80

Finding the Fourth Proportional to 170,423.60, 255,635.40 and 169,386.80

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Solution

The fourth proportional to 170,423.60, 255,635.40 and 169,386.80 is: 254,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,423.60 : 255,635.40 = 169,386.80 : x
  2. Step 2: Convert to fraction form
    170,423.60/255,635.40 = 169,386.80/x
  3. Step 3: Cross multiply
    170,423.60x = 255,635.40 × 169,386.80
  4. Step 4: Simplify right side
    170,423.60x = 43,301,262,372.72
  5. Step 5: Solve for x
    x = 43,301,262,372.72/170,423.60
  6. Step 6: Final answer
    x = 254,080.20

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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.