Home / 146,420.88-219,401.52-87,224.16

Finding the Fourth Proportional to 146,420.88, 219,401.52 and 87,224.16

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Solution

The fourth proportional to 146,420.88, 219,401.52 and 87,224.16 is: 130,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,420.88 : 219,401.52 = 87,224.16 : x
  2. Step 2: Convert to fraction form
    146,420.88/219,401.52 = 87,224.16/x
  3. Step 3: Cross multiply
    146,420.88x = 219,401.52 × 87,224.16
  4. Step 4: Simplify right side
    146,420.88x = 19,137,113,284.72
  5. Step 5: Solve for x
    x = 19,137,113,284.72/146,420.88
  6. Step 6: Final answer
    x = 130,699.35

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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.