Home / 103,325.40-154,988.10-36,840.60

Finding the Fourth Proportional to 103,325.40, 154,988.10 and 36,840.60

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Solution

The fourth proportional to 103,325.40, 154,988.10 and 36,840.60 is: 55,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,325.40 : 154,988.10 = 36,840.60 : x
  2. Step 2: Convert to fraction form
    103,325.40/154,988.10 = 36,840.60/x
  3. Step 3: Cross multiply
    103,325.40x = 154,988.10 × 36,840.60
  4. Step 4: Simplify right side
    103,325.40x = 5,709,854,596.86
  5. Step 5: Solve for x
    x = 5,709,854,596.86/103,325.40
  6. Step 6: Final answer
    x = 55,260.90

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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.