Home / 99,104.83-136,765.02-53,782.80

Finding the Fourth Proportional to 99,104.83, 136,765.02 and 53,782.80

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Solution

The fourth proportional to 99,104.83, 136,765.02 and 53,782.80 is: 74,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,104.83 : 136,765.02 = 53,782.80 : x
  2. Step 2: Convert to fraction form
    99,104.83/136,765.02 = 53,782.80/x
  3. Step 3: Cross multiply
    99,104.83x = 136,765.02 × 53,782.80
  4. Step 4: Simplify right side
    99,104.83x = 7,355,605,717.66
  5. Step 5: Solve for x
    x = 7,355,605,717.66/99,104.83
  6. Step 6: Final answer
    x = 74,220.46

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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.