Home / 125,684.62-173,386.98-111,358.96

Finding the Fourth Proportional to 125,684.62, 173,386.98 and 111,358.96

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Solution

The fourth proportional to 125,684.62, 173,386.98 and 111,358.96 is: 153,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,684.62 : 173,386.98 = 111,358.96 : x
  2. Step 2: Convert to fraction form
    125,684.62/173,386.98 = 111,358.96/x
  3. Step 3: Cross multiply
    125,684.62x = 173,386.98 × 111,358.96
  4. Step 4: Simplify right side
    125,684.62x = 19,308,193,770.34
  5. Step 5: Solve for x
    x = 19,308,193,770.34/125,684.62
  6. Step 6: Final answer
    x = 153,624.16

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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.