Home / 130,388.04-179,243.10-112,171.98

Finding the Fourth Proportional to 130,388.04, 179,243.10 and 112,171.98

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Solution

The fourth proportional to 130,388.04, 179,243.10 and 112,171.98 is: 154,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,388.04 : 179,243.10 = 112,171.98 : x
  2. Step 2: Convert to fraction form
    130,388.04/179,243.10 = 112,171.98/x
  3. Step 3: Cross multiply
    130,388.04x = 179,243.10 × 112,171.98
  4. Step 4: Simplify right side
    130,388.04x = 20,106,053,428.34
  5. Step 5: Solve for x
    x = 20,106,053,428.34/130,388.04
  6. Step 6: Final answer
    x = 154,201.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.