Home / 130,828.48-180,563.88-79,852.24

Finding the Fourth Proportional to 130,828.48, 180,563.88 and 79,852.24

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Solution

The fourth proportional to 130,828.48, 180,563.88 and 79,852.24 is: 110,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,828.48 : 180,563.88 = 79,852.24 : x
  2. Step 2: Convert to fraction form
    130,828.48/180,563.88 = 79,852.24/x
  3. Step 3: Cross multiply
    130,828.48x = 180,563.88 × 79,852.24
  4. Step 4: Simplify right side
    130,828.48x = 14,418,430,281.09
  5. Step 5: Solve for x
    x = 14,418,430,281.09/130,828.48
  6. Step 6: Final answer
    x = 110,208.65

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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.