Home / 98,878.12-136,450.98-53,555.04

Finding the Fourth Proportional to 98,878.12, 136,450.98 and 53,555.04

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Solution

The fourth proportional to 98,878.12, 136,450.98 and 53,555.04 is: 73,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,878.12 : 136,450.98 = 53,555.04 : x
  2. Step 2: Convert to fraction form
    98,878.12/136,450.98 = 53,555.04/x
  3. Step 3: Cross multiply
    98,878.12x = 136,450.98 × 53,555.04
  4. Step 4: Simplify right side
    98,878.12x = 7,307,637,691.94
  5. Step 5: Solve for x
    x = 7,307,637,691.94/98,878.12
  6. Step 6: Final answer
    x = 73,905.51

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1.5x scale

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.