Home / 158,145.72-218,141.10-110,381.40

Finding the Fourth Proportional to 158,145.72, 218,141.10 and 110,381.40

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Solution

The fourth proportional to 158,145.72, 218,141.10 and 110,381.40 is: 152,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,145.72 : 218,141.10 = 110,381.40 : x
  2. Step 2: Convert to fraction form
    158,145.72/218,141.10 = 110,381.40/x
  3. Step 3: Cross multiply
    158,145.72x = 218,141.10 × 110,381.40
  4. Step 4: Simplify right side
    158,145.72x = 24,078,720,015.54
  5. Step 5: Solve for x
    x = 24,078,720,015.54/158,145.72
  6. Step 6: Final answer
    x = 152,256.54

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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.