Home / 130,253.51-179,759.50-72,898.58

Finding the Fourth Proportional to 130,253.51, 179,759.50 and 72,898.58

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Solution

The fourth proportional to 130,253.51, 179,759.50 and 72,898.58 is: 100,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,253.51 : 179,759.50 = 72,898.58 : x
  2. Step 2: Convert to fraction form
    130,253.51/179,759.50 = 72,898.58/x
  3. Step 3: Cross multiply
    130,253.51x = 179,759.50 × 72,898.58
  4. Step 4: Simplify right side
    130,253.51x = 13,104,211,028.22
  5. Step 5: Solve for x
    x = 13,104,211,028.22/130,253.51
  6. Step 6: Final answer
    x = 100,605.44

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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.