Home / 151,815.92-209,457.24-84,734.96

Finding the Fourth Proportional to 151,815.92, 209,457.24 and 84,734.96

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Solution

The fourth proportional to 151,815.92, 209,457.24 and 84,734.96 is: 116,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,815.92 : 209,457.24 = 84,734.96 : x
  2. Step 2: Convert to fraction form
    151,815.92/209,457.24 = 84,734.96/x
  3. Step 3: Cross multiply
    151,815.92x = 209,457.24 × 84,734.96
  4. Step 4: Simplify right side
    151,815.92x = 17,748,350,853.11
  5. Step 5: Solve for x
    x = 17,748,350,853.11/151,815.92
  6. Step 6: Final answer
    x = 116,907.05

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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.