Home / 102,128.13-153,196.31-35,574.99

Finding the Fourth Proportional to 102,128.13, 153,196.31 and 35,574.99

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Solution

The fourth proportional to 102,128.13, 153,196.31 and 35,574.99 is: 53,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,128.13 : 153,196.31 = 35,574.99 : x
  2. Step 2: Convert to fraction form
    102,128.13/153,196.31 = 35,574.99/x
  3. Step 3: Cross multiply
    102,128.13x = 153,196.31 × 35,574.99
  4. Step 4: Simplify right side
    102,128.13x = 5,449,956,252.43
  5. Step 5: Solve for x
    x = 5,449,956,252.43/102,128.13
  6. Step 6: Final answer
    x = 53,363.91

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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.