Home / 162,173.04-243,329.64-87,205.56

Finding the Fourth Proportional to 162,173.04, 243,329.64 and 87,205.56

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Solution

The fourth proportional to 162,173.04, 243,329.64 and 87,205.56 is: 130,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,173.04 : 243,329.64 = 87,205.56 : x
  2. Step 2: Convert to fraction form
    162,173.04/243,329.64 = 87,205.56/x
  3. Step 3: Cross multiply
    162,173.04x = 243,329.64 × 87,205.56
  4. Step 4: Simplify right side
    162,173.04x = 21,219,697,520.80
  5. Step 5: Solve for x
    x = 21,219,697,520.80/162,173.04
  6. Step 6: Final answer
    x = 130,846.02

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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.