Home / 209,204.10-288,703.71-113,710.74

Finding the Fourth Proportional to 209,204.10, 288,703.71 and 113,710.74

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Solution

The fourth proportional to 209,204.10, 288,703.71 and 113,710.74 is: 156,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,204.10 : 288,703.71 = 113,710.74 : x
  2. Step 2: Convert to fraction form
    209,204.10/288,703.71 = 113,710.74/x
  3. Step 3: Cross multiply
    209,204.10x = 288,703.71 × 113,710.74
  4. Step 4: Simplify right side
    209,204.10x = 32,828,711,422.21
  5. Step 5: Solve for x
    x = 32,828,711,422.21/209,204.10
  6. Step 6: Final answer
    x = 156,921.93

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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.