Home / 159,349.42-219,427.62-155,813.16

Finding the Fourth Proportional to 159,349.42, 219,427.62 and 155,813.16

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Solution

The fourth proportional to 159,349.42, 219,427.62 and 155,813.16 is: 214,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,349.42 : 219,427.62 = 155,813.16 : x
  2. Step 2: Convert to fraction form
    159,349.42/219,427.62 = 155,813.16/x
  3. Step 3: Cross multiply
    159,349.42x = 219,427.62 × 155,813.16
  4. Step 4: Simplify right side
    159,349.42x = 34,189,711,102.03
  5. Step 5: Solve for x
    x = 34,189,711,102.03/159,349.42
  6. Step 6: Final answer
    x = 214,558.11

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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.