Home / 124,879.86-172,339.59-70,450.26

Finding the Fourth Proportional to 124,879.86, 172,339.59 and 70,450.26

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Solution

The fourth proportional to 124,879.86, 172,339.59 and 70,450.26 is: 97,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,879.86 : 172,339.59 = 70,450.26 : x
  2. Step 2: Convert to fraction form
    124,879.86/172,339.59 = 70,450.26/x
  3. Step 3: Cross multiply
    124,879.86x = 172,339.59 × 70,450.26
  4. Step 4: Simplify right side
    124,879.86x = 12,141,368,923.79
  5. Step 5: Solve for x
    x = 12,141,368,923.79/124,879.86
  6. Step 6: Final answer
    x = 97,224.40

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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.