Home / 133,328.65-183,993.55-72,899.33

Finding the Fourth Proportional to 133,328.65, 183,993.55 and 72,899.33

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Solution

The fourth proportional to 133,328.65, 183,993.55 and 72,899.33 is: 100,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,328.65 : 183,993.55 = 72,899.33 : x
  2. Step 2: Convert to fraction form
    133,328.65/183,993.55 = 72,899.33/x
  3. Step 3: Cross multiply
    133,328.65x = 183,993.55 × 72,899.33
  4. Step 4: Simplify right side
    133,328.65x = 13,413,006,519.32
  5. Step 5: Solve for x
    x = 13,413,006,519.32/133,328.65
  6. Step 6: Final answer
    x = 100,601.08

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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.