Home / 133,006.32-183,525.48-76,420.80

Finding the Fourth Proportional to 133,006.32, 183,525.48 and 76,420.80

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Solution

The fourth proportional to 133,006.32, 183,525.48 and 76,420.80 is: 105,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,006.32 : 183,525.48 = 76,420.80 : x
  2. Step 2: Convert to fraction form
    133,006.32/183,525.48 = 76,420.80/x
  3. Step 3: Cross multiply
    133,006.32x = 183,525.48 × 76,420.80
  4. Step 4: Simplify right side
    133,006.32x = 14,025,164,001.98
  5. Step 5: Solve for x
    x = 14,025,164,001.98/133,006.32
  6. Step 6: Final answer
    x = 105,447.35

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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.