Home / 216,001.72-298,089.53-117,890.32

Finding the Fourth Proportional to 216,001.72, 298,089.53 and 117,890.32

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Solution

The fourth proportional to 216,001.72, 298,089.53 and 117,890.32 is: 162,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,001.72 : 298,089.53 = 117,890.32 : x
  2. Step 2: Convert to fraction form
    216,001.72/298,089.53 = 117,890.32/x
  3. Step 3: Cross multiply
    216,001.72x = 298,089.53 × 117,890.32
  4. Step 4: Simplify right side
    216,001.72x = 35,141,868,000.45
  5. Step 5: Solve for x
    x = 35,141,868,000.45/216,001.72
  6. Step 6: Final answer
    x = 162,692.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.