Home / 228,142.42-314,848.34-131,360.64

Finding the Fourth Proportional to 228,142.42, 314,848.34 and 131,360.64

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Solution

The fourth proportional to 228,142.42, 314,848.34 and 131,360.64 is: 181,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,142.42 : 314,848.34 = 131,360.64 : x
  2. Step 2: Convert to fraction form
    228,142.42/314,848.34 = 131,360.64/x
  3. Step 3: Cross multiply
    228,142.42x = 314,848.34 × 131,360.64
  4. Step 4: Simplify right side
    228,142.42x = 41,358,679,445.34
  5. Step 5: Solve for x
    x = 41,358,679,445.34/228,142.42
  6. Step 6: Final answer
    x = 181,284.48

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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.