Home / 89,197.02-122,990.99-56,888.42

Finding the Fourth Proportional to 89,197.02, 122,990.99 and 56,888.42

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Solution

The fourth proportional to 89,197.02, 122,990.99 and 56,888.42 is: 78,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,197.02 : 122,990.99 = 56,888.42 : x
  2. Step 2: Convert to fraction form
    89,197.02/122,990.99 = 56,888.42/x
  3. Step 3: Cross multiply
    89,197.02x = 122,990.99 × 56,888.42
  4. Step 4: Simplify right side
    89,197.02x = 6,996,763,095.34
  5. Step 5: Solve for x
    x = 6,996,763,095.34/89,197.02
  6. Step 6: Final answer
    x = 78,441.67

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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.