Home / 124,400.34-171,672.48-67,811.76

Finding the Fourth Proportional to 124,400.34, 171,672.48 and 67,811.76

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Solution

The fourth proportional to 124,400.34, 171,672.48 and 67,811.76 is: 93,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400.34 : 171,672.48 = 67,811.76 : x
  2. Step 2: Convert to fraction form
    124,400.34/171,672.48 = 67,811.76/x
  3. Step 3: Cross multiply
    124,400.34x = 171,672.48 × 67,811.76
  4. Step 4: Simplify right side
    124,400.34x = 11,641,413,012.36
  5. Step 5: Solve for x
    x = 11,641,413,012.36/124,400.34
  6. Step 6: Final answer
    x = 93,580.23

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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.