Home / 134,894.10-202,292.55-68,312.10

Finding the Fourth Proportional to 134,894.10, 202,292.55 and 68,312.10

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Solution

The fourth proportional to 134,894.10, 202,292.55 and 68,312.10 is: 102,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,894.10 : 202,292.55 = 68,312.10 : x
  2. Step 2: Convert to fraction form
    134,894.10/202,292.55 = 68,312.10/x
  3. Step 3: Cross multiply
    134,894.10x = 202,292.55 × 68,312.10
  4. Step 4: Simplify right side
    134,894.10x = 13,819,028,904.86
  5. Step 5: Solve for x
    x = 13,819,028,904.86/134,894.10
  6. Step 6: Final answer
    x = 102,443.54

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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.