Home / 86,842.45-130,263.68-51,850.45

Finding the Fourth Proportional to 86,842.45, 130,263.68 and 51,850.45

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Solution

The fourth proportional to 86,842.45, 130,263.68 and 51,850.45 is: 77,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,842.45 : 130,263.68 = 51,850.45 : x
  2. Step 2: Convert to fraction form
    86,842.45/130,263.68 = 51,850.45/x
  3. Step 3: Cross multiply
    86,842.45x = 130,263.68 × 51,850.45
  4. Step 4: Simplify right side
    86,842.45x = 6,754,230,167.40
  5. Step 5: Solve for x
    x = 6,754,230,167.40/86,842.45
  6. Step 6: Final answer
    x = 77,775.68

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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.