Home / 272,128.68-375,545.70-164,718.36

Finding the Fourth Proportional to 272,128.68, 375,545.70 and 164,718.36

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Solution

The fourth proportional to 272,128.68, 375,545.70 and 164,718.36 is: 227,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,128.68 : 375,545.70 = 164,718.36 : x
  2. Step 2: Convert to fraction form
    272,128.68/375,545.70 = 164,718.36/x
  3. Step 3: Cross multiply
    272,128.68x = 375,545.70 × 164,718.36
  4. Step 4: Simplify right side
    272,128.68x = 61,859,271,809.05
  5. Step 5: Solve for x
    x = 61,859,271,809.05/272,128.68
  6. Step 6: Final answer
    x = 227,316.25

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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.