Home / 105,737.14-145,926.49-57,999.72

Finding the Fourth Proportional to 105,737.14, 145,926.49 and 57,999.72

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Solution

The fourth proportional to 105,737.14, 145,926.49 and 57,999.72 is: 80,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,737.14 : 145,926.49 = 57,999.72 : x
  2. Step 2: Convert to fraction form
    105,737.14/145,926.49 = 57,999.72/x
  3. Step 3: Cross multiply
    105,737.14x = 145,926.49 × 57,999.72
  4. Step 4: Simplify right side
    105,737.14x = 8,463,694,950.79
  5. Step 5: Solve for x
    x = 8,463,694,950.79/105,737.14
  6. Step 6: Final answer
    x = 80,044.67

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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.