Home / 139,740.02-209,598.51-46,214.90

Finding the Fourth Proportional to 139,740.02, 209,598.51 and 46,214.90

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Solution

The fourth proportional to 139,740.02, 209,598.51 and 46,214.90 is: 69,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,740.02 : 209,598.51 = 46,214.90 : x
  2. Step 2: Convert to fraction form
    139,740.02/209,598.51 = 46,214.90/x
  3. Step 3: Cross multiply
    139,740.02x = 209,598.51 × 46,214.90
  4. Step 4: Simplify right side
    139,740.02x = 9,686,574,179.80
  5. Step 5: Solve for x
    x = 9,686,574,179.80/139,740.02
  6. Step 6: Final answer
    x = 69,318.54

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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.