Home / 127,729.73-176,280.89-70,374.94

Finding the Fourth Proportional to 127,729.73, 176,280.89 and 70,374.94

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Solution

The fourth proportional to 127,729.73, 176,280.89 and 70,374.94 is: 97,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,729.73 : 176,280.89 = 70,374.94 : x
  2. Step 2: Convert to fraction form
    127,729.73/176,280.89 = 70,374.94/x
  3. Step 3: Cross multiply
    127,729.73x = 176,280.89 × 70,374.94
  4. Step 4: Simplify right side
    127,729.73x = 12,405,756,264.32
  5. Step 5: Solve for x
    x = 12,405,756,264.32/127,729.73
  6. Step 6: Final answer
    x = 97,125.05

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Why These Related Problems?

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