Home / 230,075.25-317,503.85-129,475.41

Finding the Fourth Proportional to 230,075.25, 317,503.85 and 129,475.41

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Solution

The fourth proportional to 230,075.25, 317,503.85 and 129,475.41 is: 178,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,075.25 : 317,503.85 = 129,475.41 : x
  2. Step 2: Convert to fraction form
    230,075.25/317,503.85 = 129,475.41/x
  3. Step 3: Cross multiply
    230,075.25x = 317,503.85 × 129,475.41
  4. Step 4: Simplify right side
    230,075.25x = 41,108,940,507.95
  5. Step 5: Solve for x
    x = 41,108,940,507.95/230,075.25
  6. Step 6: Final answer
    x = 178,676.07

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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.