Home / 215,683.62-297,558.54-144,110.40

Finding the Fourth Proportional to 215,683.62, 297,558.54 and 144,110.40

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Solution

The fourth proportional to 215,683.62, 297,558.54 and 144,110.40 is: 198,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683.62 : 297,558.54 = 144,110.40 : x
  2. Step 2: Convert to fraction form
    215,683.62/297,558.54 = 144,110.40/x
  3. Step 3: Cross multiply
    215,683.62x = 297,558.54 × 144,110.40
  4. Step 4: Simplify right side
    215,683.62x = 42,881,280,222.82
  5. Step 5: Solve for x
    x = 42,881,280,222.82/215,683.62
  6. Step 6: Final answer
    x = 198,815.66

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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.