Home / 152,088.86-209,878.66-84,103.94

Finding the Fourth Proportional to 152,088.86, 209,878.66 and 84,103.94

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Solution

The fourth proportional to 152,088.86, 209,878.66 and 84,103.94 is: 116,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,088.86 : 209,878.66 = 84,103.94 : x
  2. Step 2: Convert to fraction form
    152,088.86/209,878.66 = 84,103.94/x
  3. Step 3: Cross multiply
    152,088.86x = 209,878.66 × 84,103.94
  4. Step 4: Simplify right side
    152,088.86x = 17,651,622,857.75
  5. Step 5: Solve for x
    x = 17,651,622,857.75/152,088.86
  6. Step 6: Final answer
    x = 116,061.25

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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.