Home / 209,212.16-288,703.46-118,562.81

Finding the Fourth Proportional to 209,212.16, 288,703.46 and 118,562.81

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Solution

The fourth proportional to 209,212.16, 288,703.46 and 118,562.81 is: 163,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,212.16 : 288,703.46 = 118,562.81 : x
  2. Step 2: Convert to fraction form
    209,212.16/288,703.46 = 118,562.81/x
  3. Step 3: Cross multiply
    209,212.16x = 288,703.46 × 118,562.81
  4. Step 4: Simplify right side
    209,212.16x = 34,229,492,327.21
  5. Step 5: Solve for x
    x = 34,229,492,327.21/209,212.16
  6. Step 6: Final answer
    x = 163,611.39

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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.