Home / 110,826.96-153,108-72,677.04

Finding the Fourth Proportional to 110,826.96, 153,108 and 72,677.04

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Solution

The fourth proportional to 110,826.96, 153,108 and 72,677.04 is: 100,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,826.96 : 153,108 = 72,677.04 : x
  2. Step 2: Convert to fraction form
    110,826.96/153,108 = 72,677.04/x
  3. Step 3: Cross multiply
    110,826.96x = 153,108 × 72,677.04
  4. Step 4: Simplify right side
    110,826.96x = 11,127,436,240.32
  5. Step 5: Solve for x
    x = 11,127,436,240.32/110,826.96
  6. Step 6: Final answer
    x = 100,403.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.