Home / 146,140.10-219,210.15-40,945.40

Finding the Fourth Proportional to 146,140.10, 219,210.15 and 40,945.40

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Solution

The fourth proportional to 146,140.10, 219,210.15 and 40,945.40 is: 61,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,140.10 : 219,210.15 = 40,945.40 : x
  2. Step 2: Convert to fraction form
    146,140.10/219,210.15 = 40,945.40/x
  3. Step 3: Cross multiply
    146,140.10x = 219,210.15 × 40,945.40
  4. Step 4: Simplify right side
    146,140.10x = 8,975,647,275.81
  5. Step 5: Solve for x
    x = 8,975,647,275.81/146,140.10
  6. Step 6: Final answer
    x = 61,418.10

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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.