Home / 243,109.05-335,088.95-162,507.16

Finding the Fourth Proportional to 243,109.05, 335,088.95 and 162,507.16

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Solution

The fourth proportional to 243,109.05, 335,088.95 and 162,507.16 is: 223,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,109.05 : 335,088.95 = 162,507.16 : x
  2. Step 2: Convert to fraction form
    243,109.05/335,088.95 = 162,507.16/x
  3. Step 3: Cross multiply
    243,109.05x = 335,088.95 × 162,507.16
  4. Step 4: Simplify right side
    243,109.05x = 54,454,354,132.31
  5. Step 5: Solve for x
    x = 54,454,354,132.31/243,109.05
  6. Step 6: Final answer
    x = 223,991.48

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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.