Home / 92,427.09-127,433.82-77,135.63

Finding the Fourth Proportional to 92,427.09, 127,433.82 and 77,135.63

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Solution

The fourth proportional to 92,427.09, 127,433.82 and 77,135.63 is: 106,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,427.09 : 127,433.82 = 77,135.63 : x
  2. Step 2: Convert to fraction form
    92,427.09/127,433.82 = 77,135.63/x
  3. Step 3: Cross multiply
    92,427.09x = 127,433.82 × 77,135.63
  4. Step 4: Simplify right side
    92,427.09x = 9,829,688,307.59
  5. Step 5: Solve for x
    x = 9,829,688,307.59/92,427.09
  6. Step 6: Final answer
    x = 106,350.73

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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.