Home / 133,243.65-183,878.51-79,518.24

Finding the Fourth Proportional to 133,243.65, 183,878.51 and 79,518.24

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Solution

The fourth proportional to 133,243.65, 183,878.51 and 79,518.24 is: 109,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,243.65 : 183,878.51 = 79,518.24 : x
  2. Step 2: Convert to fraction form
    133,243.65/183,878.51 = 79,518.24/x
  3. Step 3: Cross multiply
    133,243.65x = 183,878.51 × 79,518.24
  4. Step 4: Simplify right side
    133,243.65x = 14,621,695,091.43
  5. Step 5: Solve for x
    x = 14,621,695,091.43/133,243.65
  6. Step 6: Final answer
    x = 109,736.52

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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.