Home / 129,075.08-193,581.90-35,588.36

Finding the Fourth Proportional to 129,075.08, 193,581.90 and 35,588.36

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Solution

The fourth proportional to 129,075.08, 193,581.90 and 35,588.36 is: 53,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,075.08 : 193,581.90 = 35,588.36 : x
  2. Step 2: Convert to fraction form
    129,075.08/193,581.90 = 35,588.36/x
  3. Step 3: Cross multiply
    129,075.08x = 193,581.90 × 35,588.36
  4. Step 4: Simplify right side
    129,075.08x = 6,889,262,346.68
  5. Step 5: Solve for x
    x = 6,889,262,346.68/129,075.08
  6. Step 6: Final answer
    x = 53,374.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.