Home / 86,895.90-130,343.85-30,799.35

Finding the Fourth Proportional to 86,895.90, 130,343.85 and 30,799.35

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Solution

The fourth proportional to 86,895.90, 130,343.85 and 30,799.35 is: 46,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.90 : 130,343.85 = 30,799.35 : x
  2. Step 2: Convert to fraction form
    86,895.90/130,343.85 = 30,799.35/x
  3. Step 3: Cross multiply
    86,895.90x = 130,343.85 × 30,799.35
  4. Step 4: Simplify right side
    86,895.90x = 4,014,505,856.50
  5. Step 5: Solve for x
    x = 4,014,505,856.50/86,895.90
  6. Step 6: Final answer
    x = 46,199.03

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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.