Home / 130,094.45-179,464.59-87,075.74

Finding the Fourth Proportional to 130,094.45, 179,464.59 and 87,075.74

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Solution

The fourth proportional to 130,094.45, 179,464.59 and 87,075.74 is: 120,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,094.45 : 179,464.59 = 87,075.74 : x
  2. Step 2: Convert to fraction form
    130,094.45/179,464.59 = 87,075.74/x
  3. Step 3: Cross multiply
    130,094.45x = 179,464.59 × 87,075.74
  4. Step 4: Simplify right side
    130,094.45x = 15,627,011,978.05
  5. Step 5: Solve for x
    x = 15,627,011,978.05/130,094.45
  6. Step 6: Final answer
    x = 120,120.51

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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.