Home / 90,501.63-124,890.34-50,214.53

Finding the Fourth Proportional to 90,501.63, 124,890.34 and 50,214.53

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Solution

The fourth proportional to 90,501.63, 124,890.34 and 50,214.53 is: 69,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501.63 : 124,890.34 = 50,214.53 : x
  2. Step 2: Convert to fraction form
    90,501.63/124,890.34 = 50,214.53/x
  3. Step 3: Cross multiply
    90,501.63x = 124,890.34 × 50,214.53
  4. Step 4: Simplify right side
    90,501.63x = 6,271,309,724.64
  5. Step 5: Solve for x
    x = 6,271,309,724.64/90,501.63
  6. Step 6: Final answer
    x = 69,294.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.