Home / 125,212.60-172,762.39-74,237.27

Finding the Fourth Proportional to 125,212.60, 172,762.39 and 74,237.27

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Solution

The fourth proportional to 125,212.60, 172,762.39 and 74,237.27 is: 102,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,212.60 : 172,762.39 = 74,237.27 : x
  2. Step 2: Convert to fraction form
    125,212.60/172,762.39 = 74,237.27/x
  3. Step 3: Cross multiply
    125,212.60x = 172,762.39 × 74,237.27
  4. Step 4: Simplify right side
    125,212.60x = 12,825,408,438.59
  5. Step 5: Solve for x
    x = 12,825,408,438.59/125,212.60
  6. Step 6: Final answer
    x = 102,429.06

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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.