Home / 86,769.10-130,153.65-24,439.60

Finding the Fourth Proportional to 86,769.10, 130,153.65 and 24,439.60

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Solution

The fourth proportional to 86,769.10, 130,153.65 and 24,439.60 is: 36,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,769.10 : 130,153.65 = 24,439.60 : x
  2. Step 2: Convert to fraction form
    86,769.10/130,153.65 = 24,439.60/x
  3. Step 3: Cross multiply
    86,769.10x = 130,153.65 × 24,439.60
  4. Step 4: Simplify right side
    86,769.10x = 3,180,903,144.54
  5. Step 5: Solve for x
    x = 3,180,903,144.54/86,769.10
  6. Step 6: Final answer
    x = 36,659.40

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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.