Home / 114,289.60-171,321-57,962.20

Finding the Fourth Proportional to 114,289.60, 171,321 and 57,962.20

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Solution

The fourth proportional to 114,289.60, 171,321 and 57,962.20 is: 86,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,289.60 : 171,321 = 57,962.20 : x
  2. Step 2: Convert to fraction form
    114,289.60/171,321 = 57,962.20/x
  3. Step 3: Cross multiply
    114,289.60x = 171,321 × 57,962.20
  4. Step 4: Simplify right side
    114,289.60x = 9,930,142,066.20
  5. Step 5: Solve for x
    x = 9,930,142,066.20/114,289.60
  6. Step 6: Final answer
    x = 86,885.79

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1.5x scale

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.