Home / 101,015.07-151,508.01-30,875.55

Finding the Fourth Proportional to 101,015.07, 151,508.01 and 30,875.55

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Solution

The fourth proportional to 101,015.07, 151,508.01 and 30,875.55 is: 46,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,015.07 : 151,508.01 = 30,875.55 : x
  2. Step 2: Convert to fraction form
    101,015.07/151,508.01 = 30,875.55/x
  3. Step 3: Cross multiply
    101,015.07x = 151,508.01 × 30,875.55
  4. Step 4: Simplify right side
    101,015.07x = 4,677,893,138.16
  5. Step 5: Solve for x
    x = 4,677,893,138.16/101,015.07
  6. Step 6: Final answer
    x = 46,308.86

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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.