Home / 152,039.80-228,059.70-144,782.20

Finding the Fourth Proportional to 152,039.80, 228,059.70 and 144,782.20

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Solution

The fourth proportional to 152,039.80, 228,059.70 and 144,782.20 is: 217,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,039.80 : 228,059.70 = 144,782.20 : x
  2. Step 2: Convert to fraction form
    152,039.80/228,059.70 = 144,782.20/x
  3. Step 3: Cross multiply
    152,039.80x = 228,059.70 × 144,782.20
  4. Step 4: Simplify right side
    152,039.80x = 33,018,985,097.34
  5. Step 5: Solve for x
    x = 33,018,985,097.34/152,039.80
  6. Step 6: Final answer
    x = 217,173.30

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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.