Home / 190,283.75-262,465.01-122,386.64

Finding the Fourth Proportional to 190,283.75, 262,465.01 and 122,386.64

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Solution

The fourth proportional to 190,283.75, 262,465.01 and 122,386.64 is: 168,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,283.75 : 262,465.01 = 122,386.64 : x
  2. Step 2: Convert to fraction form
    190,283.75/262,465.01 = 122,386.64/x
  3. Step 3: Cross multiply
    190,283.75x = 262,465.01 × 122,386.64
  4. Step 4: Simplify right side
    190,283.75x = 32,122,208,767.21
  5. Step 5: Solve for x
    x = 32,122,208,767.21/190,283.75
  6. Step 6: Final answer
    x = 168,812.15

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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.