Home / 86,943.08-130,458.36-64,800.92

Finding the Fourth Proportional to 86,943.08, 130,458.36 and 64,800.92

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Solution

The fourth proportional to 86,943.08, 130,458.36 and 64,800.92 is: 97,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943.08 : 130,458.36 = 64,800.92 : x
  2. Step 2: Convert to fraction form
    86,943.08/130,458.36 = 64,800.92/x
  3. Step 3: Cross multiply
    86,943.08x = 130,458.36 × 64,800.92
  4. Step 4: Simplify right side
    86,943.08x = 8,453,821,749.69
  5. Step 5: Solve for x
    x = 8,453,821,749.69/86,943.08
  6. Step 6: Final answer
    x = 97,233.98

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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.