Home / 142,146.44-212,693.52-113,980.40

Finding the Fourth Proportional to 142,146.44, 212,693.52 and 113,980.40

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Solution

The fourth proportional to 142,146.44, 212,693.52 and 113,980.40 is: 170,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,146.44 : 212,693.52 = 113,980.40 : x
  2. Step 2: Convert to fraction form
    142,146.44/212,693.52 = 113,980.40/x
  3. Step 3: Cross multiply
    142,146.44x = 212,693.52 × 113,980.40
  4. Step 4: Simplify right side
    142,146.44x = 24,242,892,487.01
  5. Step 5: Solve for x
    x = 24,242,892,487.01/142,146.44
  6. Step 6: Final answer
    x = 170,548.71

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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.