Home / 104,006.40-156,009.60-51,518.40

Finding the Fourth Proportional to 104,006.40, 156,009.60 and 51,518.40

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Solution

The fourth proportional to 104,006.40, 156,009.60 and 51,518.40 is: 77,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,006.40 : 156,009.60 = 51,518.40 : x
  2. Step 2: Convert to fraction form
    104,006.40/156,009.60 = 51,518.40/x
  3. Step 3: Cross multiply
    104,006.40x = 156,009.60 × 51,518.40
  4. Step 4: Simplify right side
    104,006.40x = 8,037,364,976.64
  5. Step 5: Solve for x
    x = 8,037,364,976.64/104,006.40
  6. Step 6: Final answer
    x = 77,277.60

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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.