Home / 226,118.96-312,090.56-130,612.40

Finding the Fourth Proportional to 226,118.96, 312,090.56 and 130,612.40

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Solution

The fourth proportional to 226,118.96, 312,090.56 and 130,612.40 is: 180,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,118.96 : 312,090.56 = 130,612.40 : x
  2. Step 2: Convert to fraction form
    226,118.96/312,090.56 = 130,612.40/x
  3. Step 3: Cross multiply
    226,118.96x = 312,090.56 × 130,612.40
  4. Step 4: Simplify right side
    226,118.96x = 40,762,897,058.94
  5. Step 5: Solve for x
    x = 40,762,897,058.94/226,118.96
  6. Step 6: Final answer
    x = 180,271.91

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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.