Home / 143,259.60-214,594.08-83,915.36

Finding the Fourth Proportional to 143,259.60, 214,594.08 and 83,915.36

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Solution

The fourth proportional to 143,259.60, 214,594.08 and 83,915.36 is: 125,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.60 : 214,594.08 = 83,915.36 : x
  2. Step 2: Convert to fraction form
    143,259.60/214,594.08 = 83,915.36/x
  3. Step 3: Cross multiply
    143,259.60x = 214,594.08 × 83,915.36
  4. Step 4: Simplify right side
    143,259.60x = 18,007,738,404.10
  5. Step 5: Solve for x
    x = 18,007,738,404.10/143,259.60
  6. Step 6: Final answer
    x = 125,700.05

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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.