Home / 189,315.23-283,889.76-70,903.50

Finding the Fourth Proportional to 189,315.23, 283,889.76 and 70,903.50

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Solution

The fourth proportional to 189,315.23, 283,889.76 and 70,903.50 is: 106,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,315.23 : 283,889.76 = 70,903.50 : x
  2. Step 2: Convert to fraction form
    189,315.23/283,889.76 = 70,903.50/x
  3. Step 3: Cross multiply
    189,315.23x = 283,889.76 × 70,903.50
  4. Step 4: Simplify right side
    189,315.23x = 20,128,778,263.40
  5. Step 5: Solve for x
    x = 20,128,778,263.40/189,315.23
  6. Step 6: Final answer
    x = 106,324.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.