Home / 160,514.72-221,547.18-106,802

Finding the Fourth Proportional to 160,514.72, 221,547.18 and 106,802

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Solution

The fourth proportional to 160,514.72, 221,547.18 and 106,802 is: 147,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,514.72 : 221,547.18 = 106,802 : x
  2. Step 2: Convert to fraction form
    160,514.72/221,547.18 = 106,802/x
  3. Step 3: Cross multiply
    160,514.72x = 221,547.18 × 106,802
  4. Step 4: Simplify right side
    160,514.72x = 23,661,681,918.36
  5. Step 5: Solve for x
    x = 23,661,681,918.36/160,514.72
  6. Step 6: Final answer
    x = 147,411.29

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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.