Home / 133,023.03-183,603.20-76,467.21

Finding the Fourth Proportional to 133,023.03, 183,603.20 and 76,467.21

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Solution

The fourth proportional to 133,023.03, 183,603.20 and 76,467.21 is: 105,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.03 : 183,603.20 = 76,467.21 : x
  2. Step 2: Convert to fraction form
    133,023.03/183,603.20 = 76,467.21/x
  3. Step 3: Cross multiply
    133,023.03x = 183,603.20 × 76,467.21
  4. Step 4: Simplify right side
    133,023.03x = 14,039,624,068.74
  5. Step 5: Solve for x
    x = 14,039,624,068.74/133,023.03
  6. Step 6: Final answer
    x = 105,542.81

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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.