Home / 145,738.36-218,607.54-40,565.53

Finding the Fourth Proportional to 145,738.36, 218,607.54 and 40,565.53

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Solution

The fourth proportional to 145,738.36, 218,607.54 and 40,565.53 is: 60,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,738.36 : 218,607.54 = 40,565.53 : x
  2. Step 2: Convert to fraction form
    145,738.36/218,607.54 = 40,565.53/x
  3. Step 3: Cross multiply
    145,738.36x = 218,607.54 × 40,565.53
  4. Step 4: Simplify right side
    145,738.36x = 8,867,930,722.10
  5. Step 5: Solve for x
    x = 8,867,930,722.10/145,738.36
  6. Step 6: Final answer
    x = 60,848.30

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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.