Home / 145,532.16-218,313.63-40,351.23

Finding the Fourth Proportional to 145,532.16, 218,313.63 and 40,351.23

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Solution

The fourth proportional to 145,532.16, 218,313.63 and 40,351.23 is: 60,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,532.16 : 218,313.63 = 40,351.23 : x
  2. Step 2: Convert to fraction form
    145,532.16/218,313.63 = 40,351.23/x
  3. Step 3: Cross multiply
    145,532.16x = 218,313.63 × 40,351.23
  4. Step 4: Simplify right side
    145,532.16x = 8,809,223,496.26
  5. Step 5: Solve for x
    x = 8,809,223,496.26/145,532.16
  6. Step 6: Final answer
    x = 60,531.11

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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.