Home / 86,864.32-130,297.85-34,273.35

Finding the Fourth Proportional to 86,864.32, 130,297.85 and 34,273.35

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Solution

The fourth proportional to 86,864.32, 130,297.85 and 34,273.35 is: 51,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,864.32 : 130,297.85 = 34,273.35 : x
  2. Step 2: Convert to fraction form
    86,864.32/130,297.85 = 34,273.35/x
  3. Step 3: Cross multiply
    86,864.32x = 130,297.85 × 34,273.35
  4. Step 4: Simplify right side
    86,864.32x = 4,465,742,994.44
  5. Step 5: Solve for x
    x = 4,465,742,994.44/86,864.32
  6. Step 6: Final answer
    x = 51,410.56

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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.