Home / 112,337.28-155,025.24-64,599.84

Finding the Fourth Proportional to 112,337.28, 155,025.24 and 64,599.84

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Solution

The fourth proportional to 112,337.28, 155,025.24 and 64,599.84 is: 89,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337.28 : 155,025.24 = 64,599.84 : x
  2. Step 2: Convert to fraction form
    112,337.28/155,025.24 = 64,599.84/x
  3. Step 3: Cross multiply
    112,337.28x = 155,025.24 × 64,599.84
  4. Step 4: Simplify right side
    112,337.28x = 10,014,605,699.96
  5. Step 5: Solve for x
    x = 10,014,605,699.96/112,337.28
  6. Step 6: Final answer
    x = 89,147.66

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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.