Home / 146,139.96-201,153.06-103,624.68

Finding the Fourth Proportional to 146,139.96, 201,153.06 and 103,624.68

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Solution

The fourth proportional to 146,139.96, 201,153.06 and 103,624.68 is: 142,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139.96 : 201,153.06 = 103,624.68 : x
  2. Step 2: Convert to fraction form
    146,139.96/201,153.06 = 103,624.68/x
  3. Step 3: Cross multiply
    146,139.96x = 201,153.06 × 103,624.68
  4. Step 4: Simplify right side
    146,139.96x = 20,844,421,473.52
  5. Step 5: Solve for x
    x = 20,844,421,473.52/146,139.96
  6. Step 6: Final answer
    x = 142,633.28

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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.