Home / 130,386.08-195,621.24-60,311.36

Finding the Fourth Proportional to 130,386.08, 195,621.24 and 60,311.36

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Solution

The fourth proportional to 130,386.08, 195,621.24 and 60,311.36 is: 90,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,386.08 : 195,621.24 = 60,311.36 : x
  2. Step 2: Convert to fraction form
    130,386.08/195,621.24 = 60,311.36/x
  3. Step 3: Cross multiply
    130,386.08x = 195,621.24 × 60,311.36
  4. Step 4: Simplify right side
    130,386.08x = 11,798,183,029.29
  5. Step 5: Solve for x
    x = 11,798,183,029.29/130,386.08
  6. Step 6: Final answer
    x = 90,486.52

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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.