Home / 208,856.36-288,222.10-113,363.08

Finding the Fourth Proportional to 208,856.36, 288,222.10 and 113,363.08

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Solution

The fourth proportional to 208,856.36, 288,222.10 and 113,363.08 is: 156,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,856.36 : 288,222.10 = 113,363.08 : x
  2. Step 2: Convert to fraction form
    208,856.36/288,222.10 = 113,363.08/x
  3. Step 3: Cross multiply
    208,856.36x = 288,222.10 × 113,363.08
  4. Step 4: Simplify right side
    208,856.36x = 32,673,744,980.07
  5. Step 5: Solve for x
    x = 32,673,744,980.07/208,856.36
  6. Step 6: Final answer
    x = 156,441.23

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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.