Home / 130,099.94-179,535.57-73,510.10

Finding the Fourth Proportional to 130,099.94, 179,535.57 and 73,510.10

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Solution

The fourth proportional to 130,099.94, 179,535.57 and 73,510.10 is: 101,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,099.94 : 179,535.57 = 73,510.10 : x
  2. Step 2: Convert to fraction form
    130,099.94/179,535.57 = 73,510.10/x
  3. Step 3: Cross multiply
    130,099.94x = 179,535.57 × 73,510.10
  4. Step 4: Simplify right side
    130,099.94x = 13,197,676,806.58
  5. Step 5: Solve for x
    x = 13,197,676,806.58/130,099.94
  6. Step 6: Final answer
    x = 101,442.61

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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.