Home / 90,026.72-134,956.56-30,848.32

Finding the Fourth Proportional to 90,026.72, 134,956.56 and 30,848.32

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Solution

The fourth proportional to 90,026.72, 134,956.56 and 30,848.32 is: 46,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,026.72 : 134,956.56 = 30,848.32 : x
  2. Step 2: Convert to fraction form
    90,026.72/134,956.56 = 30,848.32/x
  3. Step 3: Cross multiply
    90,026.72x = 134,956.56 × 30,848.32
  4. Step 4: Simplify right side
    90,026.72x = 4,163,183,148.98
  5. Step 5: Solve for x
    x = 4,163,183,148.98/90,026.72
  6. Step 6: Final answer
    x = 46,243.86

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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.