Home / 209,357.46-288,941.31-118,746.27

Finding the Fourth Proportional to 209,357.46, 288,941.31 and 118,746.27

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Solution

The fourth proportional to 209,357.46, 288,941.31 and 118,746.27 is: 163,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,357.46 : 288,941.31 = 118,746.27 : x
  2. Step 2: Convert to fraction form
    209,357.46/288,941.31 = 118,746.27/x
  3. Step 3: Cross multiply
    209,357.46x = 288,941.31 × 118,746.27
  4. Step 4: Simplify right side
    209,357.46x = 34,310,702,811.41
  5. Step 5: Solve for x
    x = 34,310,702,811.41/209,357.46
  6. Step 6: Final answer
    x = 163,885.74

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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.