Home / 90,158.98-124,409.82-49,866.34

Finding the Fourth Proportional to 90,158.98, 124,409.82 and 49,866.34

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Solution

The fourth proportional to 90,158.98, 124,409.82 and 49,866.34 is: 68,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,158.98 : 124,409.82 = 49,866.34 : x
  2. Step 2: Convert to fraction form
    90,158.98/124,409.82 = 49,866.34/x
  3. Step 3: Cross multiply
    90,158.98x = 124,409.82 × 49,866.34
  4. Step 4: Simplify right side
    90,158.98x = 6,203,862,383.46
  5. Step 5: Solve for x
    x = 6,203,862,383.46/90,158.98
  6. Step 6: Final answer
    x = 68,810.25

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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.