Home / 155,348.70-214,267.59-101,547.42

Finding the Fourth Proportional to 155,348.70, 214,267.59 and 101,547.42

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Solution

The fourth proportional to 155,348.70, 214,267.59 and 101,547.42 is: 140,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,348.70 : 214,267.59 = 101,547.42 : x
  2. Step 2: Convert to fraction form
    155,348.70/214,267.59 = 101,547.42/x
  3. Step 3: Cross multiply
    155,348.70x = 214,267.59 × 101,547.42
  4. Step 4: Simplify right side
    155,348.70x = 21,758,320,954.12
  5. Step 5: Solve for x
    x = 21,758,320,954.12/155,348.70
  6. Step 6: Final answer
    x = 140,061.17

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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.