Home / 144,004.10-216,038.55-84,809.30

Finding the Fourth Proportional to 144,004.10, 216,038.55 and 84,809.30

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Solution

The fourth proportional to 144,004.10, 216,038.55 and 84,809.30 is: 127,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,004.10 : 216,038.55 = 84,809.30 : x
  2. Step 2: Convert to fraction form
    144,004.10/216,038.55 = 84,809.30/x
  3. Step 3: Cross multiply
    144,004.10x = 216,038.55 × 84,809.30
  4. Step 4: Simplify right side
    144,004.10x = 18,322,078,198.52
  5. Step 5: Solve for x
    x = 18,322,078,198.52/144,004.10
  6. Step 6: Final answer
    x = 127,233.03

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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.