Home / 124,126.29-186,234.39-76,686.01

Finding the Fourth Proportional to 124,126.29, 186,234.39 and 76,686.01

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Solution

The fourth proportional to 124,126.29, 186,234.39 and 76,686.01 is: 115,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,126.29 : 186,234.39 = 76,686.01 : x
  2. Step 2: Convert to fraction form
    124,126.29/186,234.39 = 76,686.01/x
  3. Step 3: Cross multiply
    124,126.29x = 186,234.39 × 76,686.01
  4. Step 4: Simplify right side
    124,126.29x = 14,281,571,828.30
  5. Step 5: Solve for x
    x = 14,281,571,828.30/124,126.29
  6. Step 6: Final answer
    x = 115,056.78

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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.