Home / 86,810.18-130,011.08-42,297.44

Finding the Fourth Proportional to 86,810.18, 130,011.08 and 42,297.44

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Solution

The fourth proportional to 86,810.18, 130,011.08 and 42,297.44 is: 63,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810.18 : 130,011.08 = 42,297.44 : x
  2. Step 2: Convert to fraction form
    86,810.18/130,011.08 = 42,297.44/x
  3. Step 3: Cross multiply
    86,810.18x = 130,011.08 × 42,297.44
  4. Step 4: Simplify right side
    86,810.18x = 5,499,135,855.64
  5. Step 5: Solve for x
    x = 5,499,135,855.64/86,810.18
  6. Step 6: Final answer
    x = 63,346.67

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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.