Home / 127,875.44-176,395.74-80,045.72

Finding the Fourth Proportional to 127,875.44, 176,395.74 and 80,045.72

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Solution

The fourth proportional to 127,875.44, 176,395.74 and 80,045.72 is: 110,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,875.44 : 176,395.74 = 80,045.72 : x
  2. Step 2: Convert to fraction form
    127,875.44/176,395.74 = 80,045.72/x
  3. Step 3: Cross multiply
    127,875.44x = 176,395.74 × 80,045.72
  4. Step 4: Simplify right side
    127,875.44x = 14,119,724,013.23
  5. Step 5: Solve for x
    x = 14,119,724,013.23/127,875.44
  6. Step 6: Final answer
    x = 110,417.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.