Home / 124,142.72-186,133.95-53,111.70

Finding the Fourth Proportional to 124,142.72, 186,133.95 and 53,111.70

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Solution

The fourth proportional to 124,142.72, 186,133.95 and 53,111.70 is: 79,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,142.72 : 186,133.95 = 53,111.70 : x
  2. Step 2: Convert to fraction form
    124,142.72/186,133.95 = 53,111.70/x
  3. Step 3: Cross multiply
    124,142.72x = 186,133.95 × 53,111.70
  4. Step 4: Simplify right side
    124,142.72x = 9,885,890,512.22
  5. Step 5: Solve for x
    x = 9,885,890,512.22/124,142.72
  6. Step 6: Final answer
    x = 79,633.27

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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.