Home / 282,839.36-424,258.88-83,161.40

Finding the Fourth Proportional to 282,839.36, 424,258.88 and 83,161.40

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Solution

The fourth proportional to 282,839.36, 424,258.88 and 83,161.40 is: 124,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,839.36 : 424,258.88 = 83,161.40 : x
  2. Step 2: Convert to fraction form
    282,839.36/424,258.88 = 83,161.40/x
  3. Step 3: Cross multiply
    282,839.36x = 424,258.88 × 83,161.40
  4. Step 4: Simplify right side
    282,839.36x = 35,281,959,886.13
  5. Step 5: Solve for x
    x = 35,281,959,886.13/282,839.36
  6. Step 6: Final answer
    x = 124,742.05

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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.