Home / 134,440.81-201,726.48-84,544.40

Finding the Fourth Proportional to 134,440.81, 201,726.48 and 84,544.40

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Solution

The fourth proportional to 134,440.81, 201,726.48 and 84,544.40 is: 126,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,440.81 : 201,726.48 = 84,544.40 : x
  2. Step 2: Convert to fraction form
    134,440.81/201,726.48 = 84,544.40/x
  3. Step 3: Cross multiply
    134,440.81x = 201,726.48 × 84,544.40
  4. Step 4: Simplify right side
    134,440.81x = 17,054,844,215.71
  5. Step 5: Solve for x
    x = 17,054,844,215.71/134,440.81
  6. Step 6: Final answer
    x = 126,857.64

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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.