Home / 148,822.50-205,376.58-80,840.76

Finding the Fourth Proportional to 148,822.50, 205,376.58 and 80,840.76

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Solution

The fourth proportional to 148,822.50, 205,376.58 and 80,840.76 is: 111,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,822.50 : 205,376.58 = 80,840.76 : x
  2. Step 2: Convert to fraction form
    148,822.50/205,376.58 = 80,840.76/x
  3. Step 3: Cross multiply
    148,822.50x = 205,376.58 × 80,840.76
  4. Step 4: Simplify right side
    148,822.50x = 16,602,798,813.40
  5. Step 5: Solve for x
    x = 16,602,798,813.40/148,822.50
  6. Step 6: Final answer
    x = 111,561.08

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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.