Home / 180,389.07-270,586.71-53,999.91

Finding the Fourth Proportional to 180,389.07, 270,586.71 and 53,999.91

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Solution

The fourth proportional to 180,389.07, 270,586.71 and 53,999.91 is: 81,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,389.07 : 270,586.71 = 53,999.91 : x
  2. Step 2: Convert to fraction form
    180,389.07/270,586.71 = 53,999.91/x
  3. Step 3: Cross multiply
    180,389.07x = 270,586.71 × 53,999.91
  4. Step 4: Simplify right side
    180,389.07x = 14,611,657,987.20
  5. Step 5: Solve for x
    x = 14,611,657,987.20/180,389.07
  6. Step 6: Final answer
    x = 81,000.79

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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.