Home / 145,984.41-218,975.40-98,679.60

Finding the Fourth Proportional to 145,984.41, 218,975.40 and 98,679.60

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Solution

The fourth proportional to 145,984.41, 218,975.40 and 98,679.60 is: 148,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,984.41 : 218,975.40 = 98,679.60 : x
  2. Step 2: Convert to fraction form
    145,984.41/218,975.40 = 98,679.60/x
  3. Step 3: Cross multiply
    145,984.41x = 218,975.40 × 98,679.60
  4. Step 4: Simplify right side
    145,984.41x = 21,608,404,881.84
  5. Step 5: Solve for x
    x = 21,608,404,881.84/145,984.41
  6. Step 6: Final answer
    x = 148,018.58

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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.