Home / 102,159.33-140,981.18-56,224.26

Finding the Fourth Proportional to 102,159.33, 140,981.18 and 56,224.26

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Solution

The fourth proportional to 102,159.33, 140,981.18 and 56,224.26 is: 77,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,159.33 : 140,981.18 = 56,224.26 : x
  2. Step 2: Convert to fraction form
    102,159.33/140,981.18 = 56,224.26/x
  3. Step 3: Cross multiply
    102,159.33x = 140,981.18 × 56,224.26
  4. Step 4: Simplify right side
    102,159.33x = 7,926,562,519.43
  5. Step 5: Solve for x
    x = 7,926,562,519.43/102,159.33
  6. Step 6: Final answer
    x = 77,590.20

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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.