Home / 181,811.40-272,765.70-162,225.60

Finding the Fourth Proportional to 181,811.40, 272,765.70 and 162,225.60

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Solution

The fourth proportional to 181,811.40, 272,765.70 and 162,225.60 is: 243,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,811.40 : 272,765.70 = 162,225.60 : x
  2. Step 2: Convert to fraction form
    181,811.40/272,765.70 = 162,225.60/x
  3. Step 3: Cross multiply
    181,811.40x = 272,765.70 × 162,225.60
  4. Step 4: Simplify right side
    181,811.40x = 44,249,579,341.92
  5. Step 5: Solve for x
    x = 44,249,579,341.92/181,811.40
  6. Step 6: Final answer
    x = 243,381.76

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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.