Home / 145,526.75-218,316.57-60,137.81

Finding the Fourth Proportional to 145,526.75, 218,316.57 and 60,137.81

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Solution

The fourth proportional to 145,526.75, 218,316.57 and 60,137.81 is: 90,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,526.75 : 218,316.57 = 60,137.81 : x
  2. Step 2: Convert to fraction form
    145,526.75/218,316.57 = 60,137.81/x
  3. Step 3: Cross multiply
    145,526.75x = 218,316.57 × 60,137.81
  4. Step 4: Simplify right side
    145,526.75x = 13,129,079,314.93
  5. Step 5: Solve for x
    x = 13,129,079,314.93/145,526.75
  6. Step 6: Final answer
    x = 90,217.64

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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.