Home / 130,151.40-179,607.78-73,562.60

Finding the Fourth Proportional to 130,151.40, 179,607.78 and 73,562.60

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Solution

The fourth proportional to 130,151.40, 179,607.78 and 73,562.60 is: 101,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,151.40 : 179,607.78 = 73,562.60 : x
  2. Step 2: Convert to fraction form
    130,151.40/179,607.78 = 73,562.60/x
  3. Step 3: Cross multiply
    130,151.40x = 179,607.78 × 73,562.60
  4. Step 4: Simplify right side
    130,151.40x = 13,212,415,277.03
  5. Step 5: Solve for x
    x = 13,212,415,277.03/130,151.40
  6. Step 6: Final answer
    x = 101,515.74

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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.