Home / 165,587.40-248,381.10-157,422.60

Finding the Fourth Proportional to 165,587.40, 248,381.10 and 157,422.60

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Solution

The fourth proportional to 165,587.40, 248,381.10 and 157,422.60 is: 236,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,587.40 : 248,381.10 = 157,422.60 : x
  2. Step 2: Convert to fraction form
    165,587.40/248,381.10 = 157,422.60/x
  3. Step 3: Cross multiply
    165,587.40x = 248,381.10 × 157,422.60
  4. Step 4: Simplify right side
    165,587.40x = 39,100,798,552.86
  5. Step 5: Solve for x
    x = 39,100,798,552.86/165,587.40
  6. Step 6: Final answer
    x = 236,133.90

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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.