Home / 145,579.58-218,370.74-45,737.56

Finding the Fourth Proportional to 145,579.58, 218,370.74 and 45,737.56

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Solution

The fourth proportional to 145,579.58, 218,370.74 and 45,737.56 is: 68,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,579.58 : 218,370.74 = 45,737.56 : x
  2. Step 2: Convert to fraction form
    145,579.58/218,370.74 = 45,737.56/x
  3. Step 3: Cross multiply
    145,579.58x = 218,370.74 × 45,737.56
  4. Step 4: Simplify right side
    145,579.58x = 9,987,744,867.27
  5. Step 5: Solve for x
    x = 9,987,744,867.27/145,579.58
  6. Step 6: Final answer
    x = 68,606.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.