Home / 132,887.13-183,405.27-79,203.29

Finding the Fourth Proportional to 132,887.13, 183,405.27 and 79,203.29

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Solution

The fourth proportional to 132,887.13, 183,405.27 and 79,203.29 is: 109,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887.13 : 183,405.27 = 79,203.29 : x
  2. Step 2: Convert to fraction form
    132,887.13/183,405.27 = 79,203.29/x
  3. Step 3: Cross multiply
    132,887.13x = 183,405.27 × 79,203.29
  4. Step 4: Simplify right side
    132,887.13x = 14,526,299,870.31
  5. Step 5: Solve for x
    x = 14,526,299,870.31/132,887.13
  6. Step 6: Final answer
    x = 109,313.07

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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.