Home / 149,142.96-223,605.08-70,214.13

Finding the Fourth Proportional to 149,142.96, 223,605.08 and 70,214.13

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Solution

The fourth proportional to 149,142.96, 223,605.08 and 70,214.13 is: 105,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,142.96 : 223,605.08 = 70,214.13 : x
  2. Step 2: Convert to fraction form
    149,142.96/223,605.08 = 70,214.13/x
  3. Step 3: Cross multiply
    149,142.96x = 223,605.08 × 70,214.13
  4. Step 4: Simplify right side
    149,142.96x = 15,700,236,155.78
  5. Step 5: Solve for x
    x = 15,700,236,155.78/149,142.96
  6. Step 6: Final answer
    x = 105,269.71

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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.