Home / 124,096.81-186,145.23-86,729.86

Finding the Fourth Proportional to 124,096.81, 186,145.23 and 86,729.86

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Solution

The fourth proportional to 124,096.81, 186,145.23 and 86,729.86 is: 130,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,096.81 : 186,145.23 = 86,729.86 : x
  2. Step 2: Convert to fraction form
    124,096.81/186,145.23 = 86,729.86/x
  3. Step 3: Cross multiply
    124,096.81x = 186,145.23 × 86,729.86
  4. Step 4: Simplify right side
    124,096.81x = 16,144,349,737.57
  5. Step 5: Solve for x
    x = 16,144,349,737.57/124,096.81
  6. Step 6: Final answer
    x = 130,094.80

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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.