Home / 90,690.54-136,035.63-24,130.67

Finding the Fourth Proportional to 90,690.54, 136,035.63 and 24,130.67

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Solution

The fourth proportional to 90,690.54, 136,035.63 and 24,130.67 is: 36,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,690.54 : 136,035.63 = 24,130.67 : x
  2. Step 2: Convert to fraction form
    90,690.54/136,035.63 = 24,130.67/x
  3. Step 3: Cross multiply
    90,690.54x = 136,035.63 × 24,130.67
  4. Step 4: Simplify right side
    90,690.54x = 3,282,630,215.59
  5. Step 5: Solve for x
    x = 3,282,630,215.59/90,690.54
  6. Step 6: Final answer
    x = 36,195.95

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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.