Home / 225,973.12-311,846.54-130,488.16

Finding the Fourth Proportional to 225,973.12, 311,846.54 and 130,488.16

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Solution

The fourth proportional to 225,973.12, 311,846.54 and 130,488.16 is: 180,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,973.12 : 311,846.54 = 130,488.16 : x
  2. Step 2: Convert to fraction form
    225,973.12/311,846.54 = 130,488.16/x
  3. Step 3: Cross multiply
    225,973.12x = 311,846.54 × 130,488.16
  4. Step 4: Simplify right side
    225,973.12x = 40,692,281,206.97
  5. Step 5: Solve for x
    x = 40,692,281,206.97/225,973.12
  6. Step 6: Final answer
    x = 180,075.76

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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.