Home / 124,235.36-171,438.96-67,646.56

Finding the Fourth Proportional to 124,235.36, 171,438.96 and 67,646.56

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Solution

The fourth proportional to 124,235.36, 171,438.96 and 67,646.56 is: 93,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,235.36 : 171,438.96 = 67,646.56 : x
  2. Step 2: Convert to fraction form
    124,235.36/171,438.96 = 67,646.56/x
  3. Step 3: Cross multiply
    124,235.36x = 171,438.96 × 67,646.56
  4. Step 4: Simplify right side
    124,235.36x = 11,597,255,893.98
  5. Step 5: Solve for x
    x = 11,597,255,893.98/124,235.36
  6. Step 6: Final answer
    x = 93,349.07

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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.