Home / 272,129.68-375,547.08-164,719.36

Finding the Fourth Proportional to 272,129.68, 375,547.08 and 164,719.36

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Solution

The fourth proportional to 272,129.68, 375,547.08 and 164,719.36 is: 227,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,129.68 : 375,547.08 = 164,719.36 : x
  2. Step 2: Convert to fraction form
    272,129.68/375,547.08 = 164,719.36/x
  3. Step 3: Cross multiply
    272,129.68x = 375,547.08 × 164,719.36
  4. Step 4: Simplify right side
    272,129.68x = 61,859,874,667.47
  5. Step 5: Solve for x
    x = 61,859,874,667.47/272,129.68
  6. Step 6: Final answer
    x = 227,317.63

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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.