Home / 130,844.26-180,574.41-74,259.28

Finding the Fourth Proportional to 130,844.26, 180,574.41 and 74,259.28

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Solution

The fourth proportional to 130,844.26, 180,574.41 and 74,259.28 is: 102,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,844.26 : 180,574.41 = 74,259.28 : x
  2. Step 2: Convert to fraction form
    130,844.26/180,574.41 = 74,259.28/x
  3. Step 3: Cross multiply
    130,844.26x = 180,574.41 × 74,259.28
  4. Step 4: Simplify right side
    130,844.26x = 13,409,325,673.02
  5. Step 5: Solve for x
    x = 13,409,325,673.02/130,844.26
  6. Step 6: Final answer
    x = 102,483.10

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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.