Home / 112,544.94-155,316.99-64,813.67

Finding the Fourth Proportional to 112,544.94, 155,316.99 and 64,813.67

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Solution

The fourth proportional to 112,544.94, 155,316.99 and 64,813.67 is: 89,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,544.94 : 155,316.99 = 64,813.67 : x
  2. Step 2: Convert to fraction form
    112,544.94/155,316.99 = 64,813.67/x
  3. Step 3: Cross multiply
    112,544.94x = 155,316.99 × 64,813.67
  4. Step 4: Simplify right side
    112,544.94x = 10,066,664,184.16
  5. Step 5: Solve for x
    x = 10,066,664,184.16/112,544.94
  6. Step 6: Final answer
    x = 89,445.73

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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.