Home / 91,068.64-136,538.40-34,861.36

Finding the Fourth Proportional to 91,068.64, 136,538.40 and 34,861.36

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Solution

The fourth proportional to 91,068.64, 136,538.40 and 34,861.36 is: 52,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,068.64 : 136,538.40 = 34,861.36 : x
  2. Step 2: Convert to fraction form
    91,068.64/136,538.40 = 34,861.36/x
  3. Step 3: Cross multiply
    91,068.64x = 136,538.40 × 34,861.36
  4. Step 4: Simplify right side
    91,068.64x = 4,759,914,316.22
  5. Step 5: Solve for x
    x = 4,759,914,316.22/91,068.64
  6. Step 6: Final answer
    x = 52,267.33

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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.