Home / 101,143.45-151,733.40-41,985.10

Finding the Fourth Proportional to 101,143.45, 151,733.40 and 41,985.10

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Solution

The fourth proportional to 101,143.45, 151,733.40 and 41,985.10 is: 62,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.45 : 151,733.40 = 41,985.10 : x
  2. Step 2: Convert to fraction form
    101,143.45/151,733.40 = 41,985.10/x
  3. Step 3: Cross multiply
    101,143.45x = 151,733.40 × 41,985.10
  4. Step 4: Simplify right side
    101,143.45x = 6,370,541,972.34
  5. Step 5: Solve for x
    x = 6,370,541,972.34/101,143.45
  6. Step 6: Final answer
    x = 62,985.22

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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.