Home / 84,185.00-126,312.12-61,809.93

Finding the Fourth Proportional to 84,185.00, 126,312.12 and 61,809.93

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Solution

The fourth proportional to 84,185.00, 126,312.12 and 61,809.93 is: 92,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,185.00 : 126,312.12 = 61,809.93 : x
  2. Step 2: Convert to fraction form
    84,185.00/126,312.12 = 61,809.93/x
  3. Step 3: Cross multiply
    84,185.00x = 126,312.12 × 61,809.93
  4. Step 4: Simplify right side
    84,185.00x = 7,807,343,295.35
  5. Step 5: Solve for x
    x = 7,807,343,295.35/84,185.00
  6. Step 6: Final answer
    x = 92,740.32

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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.