Home / 121,337.04-181,056.34-108,728.67

Finding the Fourth Proportional to 121,337.04, 181,056.34 and 108,728.67

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Solution

The fourth proportional to 121,337.04, 181,056.34 and 108,728.67 is: 162,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,337.04 : 181,056.34 = 108,728.67 : x
  2. Step 2: Convert to fraction form
    121,337.04/181,056.34 = 108,728.67/x
  3. Step 3: Cross multiply
    121,337.04x = 181,056.34 × 108,728.67
  4. Step 4: Simplify right side
    121,337.04x = 19,686,014,499.62
  5. Step 5: Solve for x
    x = 19,686,014,499.62/121,337.04
  6. Step 6: Final answer
    x = 162,242.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.