Home / 130,646.44-180,285.54-74,056.36

Finding the Fourth Proportional to 130,646.44, 180,285.54 and 74,056.36

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Solution

The fourth proportional to 130,646.44, 180,285.54 and 74,056.36 is: 102,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,646.44 : 180,285.54 = 74,056.36 : x
  2. Step 2: Convert to fraction form
    130,646.44/180,285.54 = 74,056.36/x
  3. Step 3: Cross multiply
    130,646.44x = 180,285.54 × 74,056.36
  4. Step 4: Simplify right side
    130,646.44x = 13,351,290,853.03
  5. Step 5: Solve for x
    x = 13,351,290,853.03/130,646.44
  6. Step 6: Final answer
    x = 102,194.07

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1.5x scale

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.