Home / 130,303.55-195,483.99-74,170.10

Finding the Fourth Proportional to 130,303.55, 195,483.99 and 74,170.10

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Solution

The fourth proportional to 130,303.55, 195,483.99 and 74,170.10 is: 111,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,303.55 : 195,483.99 = 74,170.10 : x
  2. Step 2: Convert to fraction form
    130,303.55/195,483.99 = 74,170.10/x
  3. Step 3: Cross multiply
    130,303.55x = 195,483.99 × 74,170.10
  4. Step 4: Simplify right side
    130,303.55x = 14,499,067,086.70
  5. Step 5: Solve for x
    x = 14,499,067,086.70/130,303.55
  6. Step 6: Final answer
    x = 111,271.47

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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.