Home / 145,742.47-218,592.93-45,900.06

Finding the Fourth Proportional to 145,742.47, 218,592.93 and 45,900.06

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Solution

The fourth proportional to 145,742.47, 218,592.93 and 45,900.06 is: 68,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,742.47 : 218,592.93 = 45,900.06 : x
  2. Step 2: Convert to fraction form
    145,742.47/218,592.93 = 45,900.06/x
  3. Step 3: Cross multiply
    145,742.47x = 218,592.93 × 45,900.06
  4. Step 4: Simplify right side
    145,742.47x = 10,033,428,717.33
  5. Step 5: Solve for x
    x = 10,033,428,717.33/145,742.47
  6. Step 6: Final answer
    x = 68,843.55

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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.