Home / 112,926.51-169,242.14-84,624.10

Finding the Fourth Proportional to 112,926.51, 169,242.14 and 84,624.10

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Solution

The fourth proportional to 112,926.51, 169,242.14 and 84,624.10 is: 126,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.51 : 169,242.14 = 84,624.10 : x
  2. Step 2: Convert to fraction form
    112,926.51/169,242.14 = 84,624.10/x
  3. Step 3: Cross multiply
    112,926.51x = 169,242.14 × 84,624.10
  4. Step 4: Simplify right side
    112,926.51x = 14,321,963,568.03
  5. Step 5: Solve for x
    x = 14,321,963,568.03/112,926.51
  6. Step 6: Final answer
    x = 126,825.52

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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.