Home / 139,685.38-209,560.74-46,191.13

Finding the Fourth Proportional to 139,685.38, 209,560.74 and 46,191.13

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Solution

The fourth proportional to 139,685.38, 209,560.74 and 46,191.13 is: 69,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,685.38 : 209,560.74 = 46,191.13 : x
  2. Step 2: Convert to fraction form
    139,685.38/209,560.74 = 46,191.13/x
  3. Step 3: Cross multiply
    139,685.38x = 209,560.74 × 46,191.13
  4. Step 4: Simplify right side
    139,685.38x = 9,679,847,384.24
  5. Step 5: Solve for x
    x = 9,679,847,384.24/139,685.38
  6. Step 6: Final answer
    x = 69,297.50

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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.