Home / 208,746.57-288,070.79-113,253.24

Finding the Fourth Proportional to 208,746.57, 288,070.79 and 113,253.24

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Solution

The fourth proportional to 208,746.57, 288,070.79 and 113,253.24 is: 156,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,746.57 : 288,070.79 = 113,253.24 : x
  2. Step 2: Convert to fraction form
    208,746.57/288,070.79 = 113,253.24/x
  3. Step 3: Cross multiply
    208,746.57x = 288,070.79 × 113,253.24
  4. Step 4: Simplify right side
    208,746.57x = 32,624,949,750.59
  5. Step 5: Solve for x
    x = 32,624,949,750.59/208,746.57
  6. Step 6: Final answer
    x = 156,289.75

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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.