Home / 210,474.05-290,454.09-113,677.93

Finding the Fourth Proportional to 210,474.05, 290,454.09 and 113,677.93

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Solution

The fourth proportional to 210,474.05, 290,454.09 and 113,677.93 is: 156,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,474.05 : 290,454.09 = 113,677.93 : x
  2. Step 2: Convert to fraction form
    210,474.05/290,454.09 = 113,677.93/x
  3. Step 3: Cross multiply
    210,474.05x = 290,454.09 × 113,677.93
  4. Step 4: Simplify right side
    210,474.05x = 33,018,219,648.01
  5. Step 5: Solve for x
    x = 33,018,219,648.01/210,474.05
  6. Step 6: Final answer
    x = 156,875.49

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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.