Home / 122,145.40-183,218.10-43,267.60

Finding the Fourth Proportional to 122,145.40, 183,218.10 and 43,267.60

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Solution

The fourth proportional to 122,145.40, 183,218.10 and 43,267.60 is: 64,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,145.40 : 183,218.10 = 43,267.60 : x
  2. Step 2: Convert to fraction form
    122,145.40/183,218.10 = 43,267.60/x
  3. Step 3: Cross multiply
    122,145.40x = 183,218.10 × 43,267.60
  4. Step 4: Simplify right side
    122,145.40x = 7,927,407,463.56
  5. Step 5: Solve for x
    x = 7,927,407,463.56/122,145.40
  6. Step 6: Final answer
    x = 64,901.40

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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.