Home / 166,386.84-229,412.90-115,443.11

Finding the Fourth Proportional to 166,386.84, 229,412.90 and 115,443.11

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Solution

The fourth proportional to 166,386.84, 229,412.90 and 115,443.11 is: 159,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,386.84 : 229,412.90 = 115,443.11 : x
  2. Step 2: Convert to fraction form
    166,386.84/229,412.90 = 115,443.11/x
  3. Step 3: Cross multiply
    166,386.84x = 229,412.90 × 115,443.11
  4. Step 4: Simplify right side
    166,386.84x = 26,484,136,925.84
  5. Step 5: Solve for x
    x = 26,484,136,925.84/166,386.84
  6. Step 6: Final answer
    x = 159,172.07

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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.