Home / 137,862.27-190,248.75-77,433.84

Finding the Fourth Proportional to 137,862.27, 190,248.75 and 77,433.84

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Solution

The fourth proportional to 137,862.27, 190,248.75 and 77,433.84 is: 106,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,862.27 : 190,248.75 = 77,433.84 : x
  2. Step 2: Convert to fraction form
    137,862.27/190,248.75 = 77,433.84/x
  3. Step 3: Cross multiply
    137,862.27x = 190,248.75 × 77,433.84
  4. Step 4: Simplify right side
    137,862.27x = 14,731,691,267.70
  5. Step 5: Solve for x
    x = 14,731,691,267.70/137,862.27
  6. Step 6: Final answer
    x = 106,858.03

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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.