Home / 124,000.36-171,122.40-67,411.84

Finding the Fourth Proportional to 124,000.36, 171,122.40 and 67,411.84

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Solution

The fourth proportional to 124,000.36, 171,122.40 and 67,411.84 is: 93,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.36 : 171,122.40 = 67,411.84 : x
  2. Step 2: Convert to fraction form
    124,000.36/171,122.40 = 67,411.84/x
  3. Step 3: Cross multiply
    124,000.36x = 171,122.40 × 67,411.84
  4. Step 4: Simplify right side
    124,000.36x = 11,535,675,849.22
  5. Step 5: Solve for x
    x = 11,535,675,849.22/124,000.36
  6. Step 6: Final answer
    x = 93,029.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.