Home / 135,017.12-186,241.20-94,672.64

Finding the Fourth Proportional to 135,017.12, 186,241.20 and 94,672.64

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Solution

The fourth proportional to 135,017.12, 186,241.20 and 94,672.64 is: 130,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,017.12 : 186,241.20 = 94,672.64 : x
  2. Step 2: Convert to fraction form
    135,017.12/186,241.20 = 94,672.64/x
  3. Step 3: Cross multiply
    135,017.12x = 186,241.20 × 94,672.64
  4. Step 4: Simplify right side
    135,017.12x = 17,631,946,080.77
  5. Step 5: Solve for x
    x = 17,631,946,080.77/135,017.12
  6. Step 6: Final answer
    x = 130,590.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.