Home / 215,437.90-323,168.94-65,683.06

Finding the Fourth Proportional to 215,437.90, 323,168.94 and 65,683.06

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Solution

The fourth proportional to 215,437.90, 323,168.94 and 65,683.06 is: 98,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,437.90 : 323,168.94 = 65,683.06 : x
  2. Step 2: Convert to fraction form
    215,437.90/323,168.94 = 65,683.06/x
  3. Step 3: Cross multiply
    215,437.90x = 323,168.94 × 65,683.06
  4. Step 4: Simplify right side
    215,437.90x = 21,226,724,876.16
  5. Step 5: Solve for x
    x = 21,226,724,876.16/215,437.90
  6. Step 6: Final answer
    x = 98,528.28

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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.