Home / 130,033.09-179,444.26-71,889.58

Finding the Fourth Proportional to 130,033.09, 179,444.26 and 71,889.58

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Solution

The fourth proportional to 130,033.09, 179,444.26 and 71,889.58 is: 99,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,033.09 : 179,444.26 = 71,889.58 : x
  2. Step 2: Convert to fraction form
    130,033.09/179,444.26 = 71,889.58/x
  3. Step 3: Cross multiply
    130,033.09x = 179,444.26 × 71,889.58
  4. Step 4: Simplify right side
    130,033.09x = 12,900,172,484.81
  5. Step 5: Solve for x
    x = 12,900,172,484.81/130,033.09
  6. Step 6: Final answer
    x = 99,206.84

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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.