Home / 209,207.04-288,704.63-113,714.25

Finding the Fourth Proportional to 209,207.04, 288,704.63 and 113,714.25

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Solution

The fourth proportional to 209,207.04, 288,704.63 and 113,714.25 is: 156,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,207.04 : 288,704.63 = 113,714.25 : x
  2. Step 2: Convert to fraction form
    209,207.04/288,704.63 = 113,714.25/x
  3. Step 3: Cross multiply
    209,207.04x = 288,704.63 × 113,714.25
  4. Step 4: Simplify right side
    209,207.04x = 32,829,829,903.41
  5. Step 5: Solve for x
    x = 32,829,829,903.41/209,207.04
  6. Step 6: Final answer
    x = 156,925.07

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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.