Home / 146,421.40-219,875.02-91,367.32

Finding the Fourth Proportional to 146,421.40, 219,875.02 and 91,367.32

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Solution

The fourth proportional to 146,421.40, 219,875.02 and 91,367.32 is: 137,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,421.40 : 219,875.02 = 91,367.32 : x
  2. Step 2: Convert to fraction form
    146,421.40/219,875.02 = 91,367.32/x
  3. Step 3: Cross multiply
    146,421.40x = 219,875.02 × 91,367.32
  4. Step 4: Simplify right side
    146,421.40x = 20,089,391,312.35
  5. Step 5: Solve for x
    x = 20,089,391,312.35/146,421.40
  6. Step 6: Final answer
    x = 137,202.56

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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.