Home / 235,104.64-324,426.43-138,312.35

Finding the Fourth Proportional to 235,104.64, 324,426.43 and 138,312.35

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Solution

The fourth proportional to 235,104.64, 324,426.43 and 138,312.35 is: 190,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,104.64 : 324,426.43 = 138,312.35 : x
  2. Step 2: Convert to fraction form
    235,104.64/324,426.43 = 138,312.35/x
  3. Step 3: Cross multiply
    235,104.64x = 324,426.43 × 138,312.35
  4. Step 4: Simplify right side
    235,104.64x = 44,872,181,935.41
  5. Step 5: Solve for x
    x = 44,872,181,935.41/235,104.64
  6. Step 6: Final answer
    x = 190,860.47

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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.