Home / 162,389.04-243,603-57,186.24

Finding the Fourth Proportional to 162,389.04, 243,603 and 57,186.24

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Solution

The fourth proportional to 162,389.04, 243,603 and 57,186.24 is: 85,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,389.04 : 243,603 = 57,186.24 : x
  2. Step 2: Convert to fraction form
    162,389.04/243,603 = 57,186.24/x
  3. Step 3: Cross multiply
    162,389.04x = 243,603 × 57,186.24
  4. Step 4: Simplify right side
    162,389.04x = 13,930,739,622.72
  5. Step 5: Solve for x
    x = 13,930,739,622.72/162,389.04
  6. Step 6: Final answer
    x = 85,786.21

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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.