Home / 122,834.61-183,870.54-66,534.90

Finding the Fourth Proportional to 122,834.61, 183,870.54 and 66,534.90

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Solution

The fourth proportional to 122,834.61, 183,870.54 and 66,534.90 is: 99,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,834.61 : 183,870.54 = 66,534.90 : x
  2. Step 2: Convert to fraction form
    122,834.61/183,870.54 = 66,534.90/x
  3. Step 3: Cross multiply
    122,834.61x = 183,870.54 × 66,534.90
  4. Step 4: Simplify right side
    122,834.61x = 12,233,807,991.85
  5. Step 5: Solve for x
    x = 12,233,807,991.85/122,834.61
  6. Step 6: Final answer
    x = 99,595.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.