Home / 145,266.84-217,912.80-40,085.81

Finding the Fourth Proportional to 145,266.84, 217,912.80 and 40,085.81

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Solution

The fourth proportional to 145,266.84, 217,912.80 and 40,085.81 is: 60,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,266.84 : 217,912.80 = 40,085.81 : x
  2. Step 2: Convert to fraction form
    145,266.84/217,912.80 = 40,085.81/x
  3. Step 3: Cross multiply
    145,266.84x = 217,912.80 × 40,085.81
  4. Step 4: Simplify right side
    145,266.84x = 8,735,210,007.80
  5. Step 5: Solve for x
    x = 8,735,210,007.80/145,266.84
  6. Step 6: Final answer
    x = 60,132.17

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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.