Home / 151,724.60-209,379.74-83,741.70

Finding the Fourth Proportional to 151,724.60, 209,379.74 and 83,741.70

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Solution

The fourth proportional to 151,724.60, 209,379.74 and 83,741.70 is: 115,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,724.60 : 209,379.74 = 83,741.70 : x
  2. Step 2: Convert to fraction form
    151,724.60/209,379.74 = 83,741.70/x
  3. Step 3: Cross multiply
    151,724.60x = 209,379.74 × 83,741.70
  4. Step 4: Simplify right side
    151,724.60x = 17,533,815,582.51
  5. Step 5: Solve for x
    x = 17,533,815,582.51/151,724.60
  6. Step 6: Final answer
    x = 115,563.44

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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.