Home / 86,448.09-119,338.20-60,975.21

Finding the Fourth Proportional to 86,448.09, 119,338.20 and 60,975.21

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Solution

The fourth proportional to 86,448.09, 119,338.20 and 60,975.21 is: 84,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,448.09 : 119,338.20 = 60,975.21 : x
  2. Step 2: Convert to fraction form
    86,448.09/119,338.20 = 60,975.21/x
  3. Step 3: Cross multiply
    86,448.09x = 119,338.20 × 60,975.21
  4. Step 4: Simplify right side
    86,448.09x = 7,276,671,806.02
  5. Step 5: Solve for x
    x = 7,276,671,806.02/86,448.09
  6. Step 6: Final answer
    x = 84,173.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.