Home / 130,162.96-179,623.68-72,801.58

Finding the Fourth Proportional to 130,162.96, 179,623.68 and 72,801.58

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Solution

The fourth proportional to 130,162.96, 179,623.68 and 72,801.58 is: 100,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,162.96 : 179,623.68 = 72,801.58 : x
  2. Step 2: Convert to fraction form
    130,162.96/179,623.68 = 72,801.58/x
  3. Step 3: Cross multiply
    130,162.96x = 179,623.68 × 72,801.58
  4. Step 4: Simplify right side
    130,162.96x = 13,076,887,709.41
  5. Step 5: Solve for x
    x = 13,076,887,709.41/130,162.96
  6. Step 6: Final answer
    x = 100,465.51

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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.