Home / 115,384.40-173,206.20-89,205.20

Finding the Fourth Proportional to 115,384.40, 173,206.20 and 89,205.20

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Solution

The fourth proportional to 115,384.40, 173,206.20 and 89,205.20 is: 133,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,384.40 : 173,206.20 = 89,205.20 : x
  2. Step 2: Convert to fraction form
    115,384.40/173,206.20 = 89,205.20/x
  3. Step 3: Cross multiply
    115,384.40x = 173,206.20 × 89,205.20
  4. Step 4: Simplify right side
    115,384.40x = 15,450,893,712.24
  5. Step 5: Solve for x
    x = 15,450,893,712.24/115,384.40
  6. Step 6: Final answer
    x = 133,908.00

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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.