Home / 125,150.91-172,682.37-71,453.40

Finding the Fourth Proportional to 125,150.91, 172,682.37 and 71,453.40

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Solution

The fourth proportional to 125,150.91, 172,682.37 and 71,453.40 is: 98,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.91 : 172,682.37 = 71,453.40 : x
  2. Step 2: Convert to fraction form
    125,150.91/172,682.37 = 71,453.40/x
  3. Step 3: Cross multiply
    125,150.91x = 172,682.37 × 71,453.40
  4. Step 4: Simplify right side
    125,150.91x = 12,338,742,456.56
  5. Step 5: Solve for x
    x = 12,338,742,456.56/125,150.91
  6. Step 6: Final answer
    x = 98,590.91

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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.