Home / 152,223.37-228,085.72-81,070.47

Finding the Fourth Proportional to 152,223.37, 228,085.72 and 81,070.47

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Solution

The fourth proportional to 152,223.37, 228,085.72 and 81,070.47 is: 121,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,223.37 : 228,085.72 = 81,070.47 : x
  2. Step 2: Convert to fraction form
    152,223.37/228,085.72 = 81,070.47/x
  3. Step 3: Cross multiply
    152,223.37x = 228,085.72 × 81,070.47
  4. Step 4: Simplify right side
    152,223.37x = 18,491,014,974.91
  5. Step 5: Solve for x
    x = 18,491,014,974.91/152,223.37
  6. Step 6: Final answer
    x = 121,472.91

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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.