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Finding the Fourth Proportional to 152,603.06, 210,588.45 and 84,620.30

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Solution

The fourth proportional to 152,603.06, 210,588.45 and 84,620.30 is: 116,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,603.06 : 210,588.45 = 84,620.30 : x
  2. Step 2: Convert to fraction form
    152,603.06/210,588.45 = 84,620.30/x
  3. Step 3: Cross multiply
    152,603.06x = 210,588.45 × 84,620.30
  4. Step 4: Simplify right side
    152,603.06x = 17,820,057,815.54
  5. Step 5: Solve for x
    x = 17,820,057,815.54/152,603.06
  6. Step 6: Final answer
    x = 116,773.92

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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.