Home / 210,482.15-290,451.69-114,988.82

Finding the Fourth Proportional to 210,482.15, 290,451.69 and 114,988.82

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Solution

The fourth proportional to 210,482.15, 290,451.69 and 114,988.82 is: 158,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,482.15 : 290,451.69 = 114,988.82 : x
  2. Step 2: Convert to fraction form
    210,482.15/290,451.69 = 114,988.82/x
  3. Step 3: Cross multiply
    210,482.15x = 290,451.69 × 114,988.82
  4. Step 4: Simplify right side
    210,482.15x = 33,398,695,647.85
  5. Step 5: Solve for x
    x = 33,398,695,647.85/210,482.15
  6. Step 6: Final answer
    x = 158,677.10

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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.