Home / 143,247.40-214,968.30-93,205.60

Finding the Fourth Proportional to 143,247.40, 214,968.30 and 93,205.60

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Solution

The fourth proportional to 143,247.40, 214,968.30 and 93,205.60 is: 139,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247.40 : 214,968.30 = 93,205.60 : x
  2. Step 2: Convert to fraction form
    143,247.40/214,968.30 = 93,205.60/x
  3. Step 3: Cross multiply
    143,247.40x = 214,968.30 × 93,205.60
  4. Step 4: Simplify right side
    143,247.40x = 20,036,249,382.48
  5. Step 5: Solve for x
    x = 20,036,249,382.48/143,247.40
  6. Step 6: Final answer
    x = 139,871.64

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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.