Home / 86,033.36-118,677.92-54,146.90

Finding the Fourth Proportional to 86,033.36, 118,677.92 and 54,146.90

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Solution

The fourth proportional to 86,033.36, 118,677.92 and 54,146.90 is: 74,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.36 : 118,677.92 = 54,146.90 : x
  2. Step 2: Convert to fraction form
    86,033.36/118,677.92 = 54,146.90/x
  3. Step 3: Cross multiply
    86,033.36x = 118,677.92 × 54,146.90
  4. Step 4: Simplify right side
    86,033.36x = 6,426,041,492.41
  5. Step 5: Solve for x
    x = 6,426,041,492.41/86,033.36
  6. Step 6: Final answer
    x = 74,692.44

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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.