Home / 124,017.75-171,145.71-67,430.34

Finding the Fourth Proportional to 124,017.75, 171,145.71 and 67,430.34

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Solution

The fourth proportional to 124,017.75, 171,145.71 and 67,430.34 is: 93,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017.75 : 171,145.71 = 67,430.34 : x
  2. Step 2: Convert to fraction form
    124,017.75/171,145.71 = 67,430.34/x
  3. Step 3: Cross multiply
    124,017.75x = 171,145.71 × 67,430.34
  4. Step 4: Simplify right side
    124,017.75x = 11,540,413,414.84
  5. Step 5: Solve for x
    x = 11,540,413,414.84/124,017.75
  6. Step 6: Final answer
    x = 93,054.53

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1.5x scale

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.