Home / 132,943.32-183,457.44-75,579.12

Finding the Fourth Proportional to 132,943.32, 183,457.44 and 75,579.12

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Solution

The fourth proportional to 132,943.32, 183,457.44 and 75,579.12 is: 104,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,943.32 : 183,457.44 = 75,579.12 : x
  2. Step 2: Convert to fraction form
    132,943.32/183,457.44 = 75,579.12/x
  3. Step 3: Cross multiply
    132,943.32x = 183,457.44 × 75,579.12
  4. Step 4: Simplify right side
    132,943.32x = 13,865,551,872.65
  5. Step 5: Solve for x
    x = 13,865,551,872.65/132,943.32
  6. Step 6: Final answer
    x = 104,296.72

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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.