Home / 102,828.86-141,902.88-57,506.34

Finding the Fourth Proportional to 102,828.86, 141,902.88 and 57,506.34

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Solution

The fourth proportional to 102,828.86, 141,902.88 and 57,506.34 is: 79,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,828.86 : 141,902.88 = 57,506.34 : x
  2. Step 2: Convert to fraction form
    102,828.86/141,902.88 = 57,506.34/x
  3. Step 3: Cross multiply
    102,828.86x = 141,902.88 × 57,506.34
  4. Step 4: Simplify right side
    102,828.86x = 8,160,315,264.26
  5. Step 5: Solve for x
    x = 8,160,315,264.26/102,828.86
  6. Step 6: Final answer
    x = 79,358.22

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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.