Home / 162,000.30-243,000.45-43,683.60

Finding the Fourth Proportional to 162,000.30, 243,000.45 and 43,683.60

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Solution

The fourth proportional to 162,000.30, 243,000.45 and 43,683.60 is: 65,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,000.30 : 243,000.45 = 43,683.60 : x
  2. Step 2: Convert to fraction form
    162,000.30/243,000.45 = 43,683.60/x
  3. Step 3: Cross multiply
    162,000.30x = 243,000.45 × 43,683.60
  4. Step 4: Simplify right side
    162,000.30x = 10,615,134,457.62
  5. Step 5: Solve for x
    x = 10,615,134,457.62/162,000.30
  6. Step 6: Final answer
    x = 65,525.40

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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.