Home / 162,381.90-243,567.36-57,198.12

Finding the Fourth Proportional to 162,381.90, 243,567.36 and 57,198.12

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Solution

The fourth proportional to 162,381.90, 243,567.36 and 57,198.12 is: 85,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,381.90 : 243,567.36 = 57,198.12 : x
  2. Step 2: Convert to fraction form
    162,381.90/243,567.36 = 57,198.12/x
  3. Step 3: Cross multiply
    162,381.90x = 243,567.36 × 57,198.12
  4. Step 4: Simplify right side
    162,381.90x = 13,931,595,085.36
  5. Step 5: Solve for x
    x = 13,931,595,085.36/162,381.90
  6. Step 6: Final answer
    x = 85,795.25

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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.