Home / 140,420.81-210,631.23-46,926.56

Finding the Fourth Proportional to 140,420.81, 210,631.23 and 46,926.56

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Solution

The fourth proportional to 140,420.81, 210,631.23 and 46,926.56 is: 70,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,420.81 : 210,631.23 = 46,926.56 : x
  2. Step 2: Convert to fraction form
    140,420.81/210,631.23 = 46,926.56/x
  3. Step 3: Cross multiply
    140,420.81x = 210,631.23 × 46,926.56
  4. Step 4: Simplify right side
    140,420.81x = 9,884,199,579.05
  5. Step 5: Solve for x
    x = 9,884,199,579.05/140,420.81
  6. Step 6: Final answer
    x = 70,389.85

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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.