Home / 109,325.64-150,880.10-64,000.86

Finding the Fourth Proportional to 109,325.64, 150,880.10 and 64,000.86

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Solution

The fourth proportional to 109,325.64, 150,880.10 and 64,000.86 is: 88,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,325.64 : 150,880.10 = 64,000.86 : x
  2. Step 2: Convert to fraction form
    109,325.64/150,880.10 = 64,000.86/x
  3. Step 3: Cross multiply
    109,325.64x = 150,880.10 × 64,000.86
  4. Step 4: Simplify right side
    109,325.64x = 9,656,456,156.89
  5. Step 5: Solve for x
    x = 9,656,456,156.89/109,325.64
  6. Step 6: Final answer
    x = 88,327.46

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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.