Home / 215,090.10-322,343.55-143,810.10

Finding the Fourth Proportional to 215,090.10, 322,343.55 and 143,810.10

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Solution

The fourth proportional to 215,090.10, 322,343.55 and 143,810.10 is: 215,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,090.10 : 322,343.55 = 143,810.10 : x
  2. Step 2: Convert to fraction form
    215,090.10/322,343.55 = 143,810.10/x
  3. Step 3: Cross multiply
    215,090.10x = 322,343.55 × 143,810.10
  4. Step 4: Simplify right side
    215,090.10x = 46,356,258,159.86
  5. Step 5: Solve for x
    x = 46,356,258,159.86/215,090.10
  6. Step 6: Final answer
    x = 215,520.19

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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.