Home / 126,048.24-173,939.40-72,328.08

Finding the Fourth Proportional to 126,048.24, 173,939.40 and 72,328.08

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Solution

The fourth proportional to 126,048.24, 173,939.40 and 72,328.08 is: 99,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048.24 : 173,939.40 = 72,328.08 : x
  2. Step 2: Convert to fraction form
    126,048.24/173,939.40 = 72,328.08/x
  3. Step 3: Cross multiply
    126,048.24x = 173,939.40 × 72,328.08
  4. Step 4: Simplify right side
    126,048.24x = 12,580,702,838.35
  5. Step 5: Solve for x
    x = 12,580,702,838.35/126,048.24
  6. Step 6: Final answer
    x = 99,808.64

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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.