Home / 190,126.98-262,404.72-108,455.40

Finding the Fourth Proportional to 190,126.98, 262,404.72 and 108,455.40

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Solution

The fourth proportional to 190,126.98, 262,404.72 and 108,455.40 is: 149,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,126.98 : 262,404.72 = 108,455.40 : x
  2. Step 2: Convert to fraction form
    190,126.98/262,404.72 = 108,455.40/x
  3. Step 3: Cross multiply
    190,126.98x = 262,404.72 × 108,455.40
  4. Step 4: Simplify right side
    190,126.98x = 28,459,208,869.49
  5. Step 5: Solve for x
    x = 28,459,208,869.49/190,126.98
  6. Step 6: Final answer
    x = 149,685.27

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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.