Home / 127,740.10-176,281.38-74,056.24

Finding the Fourth Proportional to 127,740.10, 176,281.38 and 74,056.24

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Solution

The fourth proportional to 127,740.10, 176,281.38 and 74,056.24 is: 102,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,740.10 : 176,281.38 = 74,056.24 : x
  2. Step 2: Convert to fraction form
    127,740.10/176,281.38 = 74,056.24/x
  3. Step 3: Cross multiply
    127,740.10x = 176,281.38 × 74,056.24
  4. Step 4: Simplify right side
    127,740.10x = 13,054,736,184.81
  5. Step 5: Solve for x
    x = 13,054,736,184.81/127,740.10
  6. Step 6: Final answer
    x = 102,197.64

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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.