Home / 209,330.16-314,006.08-69,099.76

Finding the Fourth Proportional to 209,330.16, 314,006.08 and 69,099.76

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Solution

The fourth proportional to 209,330.16, 314,006.08 and 69,099.76 is: 103,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,330.16 : 314,006.08 = 69,099.76 : x
  2. Step 2: Convert to fraction form
    209,330.16/314,006.08 = 69,099.76/x
  3. Step 3: Cross multiply
    209,330.16x = 314,006.08 × 69,099.76
  4. Step 4: Simplify right side
    209,330.16x = 21,697,744,766.54
  5. Step 5: Solve for x
    x = 21,697,744,766.54/209,330.16
  6. Step 6: Final answer
    x = 103,653.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.