Home / 195,613.60-293,420.40-90,637.60

Finding the Fourth Proportional to 195,613.60, 293,420.40 and 90,637.60

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Solution

The fourth proportional to 195,613.60, 293,420.40 and 90,637.60 is: 135,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613.60 : 293,420.40 = 90,637.60 : x
  2. Step 2: Convert to fraction form
    195,613.60/293,420.40 = 90,637.60/x
  3. Step 3: Cross multiply
    195,613.60x = 293,420.40 × 90,637.60
  4. Step 4: Simplify right side
    195,613.60x = 26,594,920,847.04
  5. Step 5: Solve for x
    x = 26,594,920,847.04/195,613.60
  6. Step 6: Final answer
    x = 135,956.40

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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.