Home / 133,050.99-183,603.87-72,620.13

Finding the Fourth Proportional to 133,050.99, 183,603.87 and 72,620.13

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Solution

The fourth proportional to 133,050.99, 183,603.87 and 72,620.13 is: 100,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050.99 : 183,603.87 = 72,620.13 : x
  2. Step 2: Convert to fraction form
    133,050.99/183,603.87 = 72,620.13/x
  3. Step 3: Cross multiply
    133,050.99x = 183,603.87 × 72,620.13
  4. Step 4: Simplify right side
    133,050.99x = 13,333,336,907.90
  5. Step 5: Solve for x
    x = 13,333,336,907.90/133,050.99
  6. Step 6: Final answer
    x = 100,212.23

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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.