Home / 190,694.81-286,032.93-70,775.12

Finding the Fourth Proportional to 190,694.81, 286,032.93 and 70,775.12

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Solution

The fourth proportional to 190,694.81, 286,032.93 and 70,775.12 is: 106,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,694.81 : 286,032.93 = 70,775.12 : x
  2. Step 2: Convert to fraction form
    190,694.81/286,032.93 = 70,775.12/x
  3. Step 3: Cross multiply
    190,694.81x = 286,032.93 × 70,775.12
  4. Step 4: Simplify right side
    190,694.81x = 20,244,013,514.54
  5. Step 5: Solve for x
    x = 20,244,013,514.54/190,694.81
  6. Step 6: Final answer
    x = 106,159.23

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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.