Home / 165,713.60-248,570.40-47,388.80

Finding the Fourth Proportional to 165,713.60, 248,570.40 and 47,388.80

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Solution

The fourth proportional to 165,713.60, 248,570.40 and 47,388.80 is: 71,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,713.60 : 248,570.40 = 47,388.80 : x
  2. Step 2: Convert to fraction form
    165,713.60/248,570.40 = 47,388.80/x
  3. Step 3: Cross multiply
    165,713.60x = 248,570.40 × 47,388.80
  4. Step 4: Simplify right side
    165,713.60x = 11,779,452,971.52
  5. Step 5: Solve for x
    x = 11,779,452,971.52/165,713.60
  6. Step 6: Final answer
    x = 71,083.20

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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.