Home / 98,845.66-136,416.78-56,410.57

Finding the Fourth Proportional to 98,845.66, 136,416.78 and 56,410.57

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Solution

The fourth proportional to 98,845.66, 136,416.78 and 56,410.57 is: 77,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.66 : 136,416.78 = 56,410.57 : x
  2. Step 2: Convert to fraction form
    98,845.66/136,416.78 = 56,410.57/x
  3. Step 3: Cross multiply
    98,845.66x = 136,416.78 × 56,410.57
  4. Step 4: Simplify right side
    98,845.66x = 7,695,348,317.36
  5. Step 5: Solve for x
    x = 7,695,348,317.36/98,845.66
  6. Step 6: Final answer
    x = 77,852.16

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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.