Home / 127,869.84-176,461.14-74,186.82

Finding the Fourth Proportional to 127,869.84, 176,461.14 and 74,186.82

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Solution

The fourth proportional to 127,869.84, 176,461.14 and 74,186.82 is: 102,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,869.84 : 176,461.14 = 74,186.82 : x
  2. Step 2: Convert to fraction form
    127,869.84/176,461.14 = 74,186.82/x
  3. Step 3: Cross multiply
    127,869.84x = 176,461.14 × 74,186.82
  4. Step 4: Simplify right side
    127,869.84x = 13,091,090,830.17
  5. Step 5: Solve for x
    x = 13,091,090,830.17/127,869.84
  6. Step 6: Final answer
    x = 102,378.25

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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.