Home / 136,734.84-188,703.53-76,317.27

Finding the Fourth Proportional to 136,734.84, 188,703.53 and 76,317.27

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Solution

The fourth proportional to 136,734.84, 188,703.53 and 76,317.27 is: 105,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,734.84 : 188,703.53 = 76,317.27 : x
  2. Step 2: Convert to fraction form
    136,734.84/188,703.53 = 76,317.27/x
  3. Step 3: Cross multiply
    136,734.84x = 188,703.53 × 76,317.27
  4. Step 4: Simplify right side
    136,734.84x = 14,401,337,867.38
  5. Step 5: Solve for x
    x = 14,401,337,867.38/136,734.84
  6. Step 6: Final answer
    x = 105,323.10

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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.