Home / 122,306.66-168,626.93-79,210.00

Finding the Fourth Proportional to 122,306.66, 168,626.93 and 79,210.00

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Solution

The fourth proportional to 122,306.66, 168,626.93 and 79,210.00 is: 109,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,306.66 : 168,626.93 = 79,210.00 : x
  2. Step 2: Convert to fraction form
    122,306.66/168,626.93 = 79,210.00/x
  3. Step 3: Cross multiply
    122,306.66x = 168,626.93 × 79,210.00
  4. Step 4: Simplify right side
    122,306.66x = 13,356,938,901.76
  5. Step 5: Solve for x
    x = 13,356,938,901.76/122,306.66
  6. Step 6: Final answer
    x = 109,208.60

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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.