Home / 165,261.60-247,600.80-135,518.40

Finding the Fourth Proportional to 165,261.60, 247,600.80 and 135,518.40

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Solution

The fourth proportional to 165,261.60, 247,600.80 and 135,518.40 is: 203,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,261.60 : 247,600.80 = 135,518.40 : x
  2. Step 2: Convert to fraction form
    165,261.60/247,600.80 = 135,518.40/x
  3. Step 3: Cross multiply
    165,261.60x = 247,600.80 × 135,518.40
  4. Step 4: Simplify right side
    165,261.60x = 33,554,464,254.72
  5. Step 5: Solve for x
    x = 33,554,464,254.72/165,261.60
  6. Step 6: Final answer
    x = 203,038.48

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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.