Home / 152,684.03-210,703.77-84,711.30

Finding the Fourth Proportional to 152,684.03, 210,703.77 and 84,711.30

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Solution

The fourth proportional to 152,684.03, 210,703.77 and 84,711.30 is: 116,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,684.03 : 210,703.77 = 84,711.30 : x
  2. Step 2: Convert to fraction form
    152,684.03/210,703.77 = 84,711.30/x
  3. Step 3: Cross multiply
    152,684.03x = 210,703.77 × 84,711.30
  4. Step 4: Simplify right side
    152,684.03x = 17,848,990,271.60
  5. Step 5: Solve for x
    x = 17,848,990,271.60/152,684.03
  6. Step 6: Final answer
    x = 116,901.49

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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.