Home / 215,973.28-297,904.36-131,090.35

Finding the Fourth Proportional to 215,973.28, 297,904.36 and 131,090.35

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Solution

The fourth proportional to 215,973.28, 297,904.36 and 131,090.35 is: 180,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,973.28 : 297,904.36 = 131,090.35 : x
  2. Step 2: Convert to fraction form
    215,973.28/297,904.36 = 131,090.35/x
  3. Step 3: Cross multiply
    215,973.28x = 297,904.36 × 131,090.35
  4. Step 4: Simplify right side
    215,973.28x = 39,052,385,329.40
  5. Step 5: Solve for x
    x = 39,052,385,329.40/215,973.28
  6. Step 6: Final answer
    x = 180,820.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.