Home / 162,000.05-243,000.08-112,136.45

Finding the Fourth Proportional to 162,000.05, 243,000.08 and 112,136.45

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Solution

The fourth proportional to 162,000.05, 243,000.08 and 112,136.45 is: 168,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,000.05 : 243,000.08 = 112,136.45 : x
  2. Step 2: Convert to fraction form
    162,000.05/243,000.08 = 112,136.45/x
  3. Step 3: Cross multiply
    162,000.05x = 243,000.08 × 112,136.45
  4. Step 4: Simplify right side
    162,000.05x = 27,249,165,760.23
  5. Step 5: Solve for x
    x = 27,249,165,760.23/162,000.05
  6. Step 6: Final answer
    x = 168,204.68

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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.