Home / 209,925.56-289,682.80-118,058.58

Finding the Fourth Proportional to 209,925.56, 289,682.80 and 118,058.58

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Solution

The fourth proportional to 209,925.56, 289,682.80 and 118,058.58 is: 162,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,925.56 : 289,682.80 = 118,058.58 : x
  2. Step 2: Convert to fraction form
    209,925.56/289,682.80 = 118,058.58/x
  3. Step 3: Cross multiply
    209,925.56x = 289,682.80 × 118,058.58
  4. Step 4: Simplify right side
    209,925.56x = 34,199,540,018.42
  5. Step 5: Solve for x
    x = 34,199,540,018.42/209,925.56
  6. Step 6: Final answer
    x = 162,912.70

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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.