Home / 86,865.32-130,299.35-34,274.35

Finding the Fourth Proportional to 86,865.32, 130,299.35 and 34,274.35

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Solution

The fourth proportional to 86,865.32, 130,299.35 and 34,274.35 is: 51,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865.32 : 130,299.35 = 34,274.35 : x
  2. Step 2: Convert to fraction form
    86,865.32/130,299.35 = 34,274.35/x
  3. Step 3: Cross multiply
    86,865.32x = 130,299.35 × 34,274.35
  4. Step 4: Simplify right side
    86,865.32x = 4,465,924,703.80
  5. Step 5: Solve for x
    x = 4,465,924,703.80/86,865.32
  6. Step 6: Final answer
    x = 51,412.06

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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.