Home / 145,734.84-218,662.74-69,795.18

Finding the Fourth Proportional to 145,734.84, 218,662.74 and 69,795.18

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Solution

The fourth proportional to 145,734.84, 218,662.74 and 69,795.18 is: 104,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,734.84 : 218,662.74 = 69,795.18 : x
  2. Step 2: Convert to fraction form
    145,734.84/218,662.74 = 69,795.18/x
  3. Step 3: Cross multiply
    145,734.84x = 218,662.74 × 69,795.18
  4. Step 4: Simplify right side
    145,734.84x = 15,261,605,297.59
  5. Step 5: Solve for x
    x = 15,261,605,297.59/145,734.84
  6. Step 6: Final answer
    x = 104,721.74

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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.