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Finding the Fourth Proportional to 152,763.93, 210,813.93 and 84,781.71

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Solution

The fourth proportional to 152,763.93, 210,813.93 and 84,781.71 is: 116,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,763.93 : 210,813.93 = 84,781.71 : x
  2. Step 2: Convert to fraction form
    152,763.93/210,813.93 = 84,781.71/x
  3. Step 3: Cross multiply
    152,763.93x = 210,813.93 × 84,781.71
  4. Step 4: Simplify right side
    152,763.93x = 17,873,165,477.22
  5. Step 5: Solve for x
    x = 17,873,165,477.22/152,763.93
  6. Step 6: Final answer
    x = 116,998.60

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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.