Home / 245,088.10-367,632.15-87,321.70

Finding the Fourth Proportional to 245,088.10, 367,632.15 and 87,321.70

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Solution

The fourth proportional to 245,088.10, 367,632.15 and 87,321.70 is: 130,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,088.10 : 367,632.15 = 87,321.70 : x
  2. Step 2: Convert to fraction form
    245,088.10/367,632.15 = 87,321.70/x
  3. Step 3: Cross multiply
    245,088.10x = 367,632.15 × 87,321.70
  4. Step 4: Simplify right side
    245,088.10x = 32,102,264,312.66
  5. Step 5: Solve for x
    x = 32,102,264,312.66/245,088.10
  6. Step 6: Final answer
    x = 130,982.55

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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.