Home / 89,675.40-134,513.10-61,681.80

Finding the Fourth Proportional to 89,675.40, 134,513.10 and 61,681.80

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Solution

The fourth proportional to 89,675.40, 134,513.10 and 61,681.80 is: 92,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.40 : 134,513.10 = 61,681.80 : x
  2. Step 2: Convert to fraction form
    89,675.40/134,513.10 = 61,681.80/x
  3. Step 3: Cross multiply
    89,675.40x = 134,513.10 × 61,681.80
  4. Step 4: Simplify right side
    89,675.40x = 8,297,010,131.58
  5. Step 5: Solve for x
    x = 8,297,010,131.58/89,675.40
  6. Step 6: Final answer
    x = 92,522.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.