Home / 148,259.40-204,597.65-80,276.45

Finding the Fourth Proportional to 148,259.40, 204,597.65 and 80,276.45

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Solution

The fourth proportional to 148,259.40, 204,597.65 and 80,276.45 is: 110,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,259.40 : 204,597.65 = 80,276.45 : x
  2. Step 2: Convert to fraction form
    148,259.40/204,597.65 = 80,276.45/x
  3. Step 3: Cross multiply
    148,259.40x = 204,597.65 × 80,276.45
  4. Step 4: Simplify right side
    148,259.40x = 16,424,371,595.97
  5. Step 5: Solve for x
    x = 16,424,371,595.97/148,259.40
  6. Step 6: Final answer
    x = 110,781.32

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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.