Home / 153,944.70-212,590.40-145,558.01

Finding the Fourth Proportional to 153,944.70, 212,590.40 and 145,558.01

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Solution

The fourth proportional to 153,944.70, 212,590.40 and 145,558.01 is: 201,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,944.70 : 212,590.40 = 145,558.01 : x
  2. Step 2: Convert to fraction form
    153,944.70/212,590.40 = 145,558.01/x
  3. Step 3: Cross multiply
    153,944.70x = 212,590.40 × 145,558.01
  4. Step 4: Simplify right side
    153,944.70x = 30,944,235,569.10
  5. Step 5: Solve for x
    x = 30,944,235,569.10/153,944.70
  6. Step 6: Final answer
    x = 201,008.78

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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.