Home / 154,006.40-231,009.60-144,675.20

Finding the Fourth Proportional to 154,006.40, 231,009.60 and 144,675.20

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Solution

The fourth proportional to 154,006.40, 231,009.60 and 144,675.20 is: 217,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,006.40 : 231,009.60 = 144,675.20 : x
  2. Step 2: Convert to fraction form
    154,006.40/231,009.60 = 144,675.20/x
  3. Step 3: Cross multiply
    154,006.40x = 231,009.60 × 144,675.20
  4. Step 4: Simplify right side
    154,006.40x = 33,421,360,081.92
  5. Step 5: Solve for x
    x = 33,421,360,081.92/154,006.40
  6. Step 6: Final answer
    x = 217,012.80

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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.