Home / 209,567.02-314,350.64-69,325.65

Finding the Fourth Proportional to 209,567.02, 314,350.64 and 69,325.65

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Solution

The fourth proportional to 209,567.02, 314,350.64 and 69,325.65 is: 103,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,567.02 : 314,350.64 = 69,325.65 : x
  2. Step 2: Convert to fraction form
    209,567.02/314,350.64 = 69,325.65/x
  3. Step 3: Cross multiply
    209,567.02x = 314,350.64 × 69,325.65
  4. Step 4: Simplify right side
    209,567.02x = 21,792,562,445.92
  5. Step 5: Solve for x
    x = 21,792,562,445.92/209,567.02
  6. Step 6: Final answer
    x = 103,988.51

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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.