Home / 145,365.60-200,597.94-84,941.76

Finding the Fourth Proportional to 145,365.60, 200,597.94 and 84,941.76

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Solution

The fourth proportional to 145,365.60, 200,597.94 and 84,941.76 is: 117,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,365.60 : 200,597.94 = 84,941.76 : x
  2. Step 2: Convert to fraction form
    145,365.60/200,597.94 = 84,941.76/x
  3. Step 3: Cross multiply
    145,365.60x = 200,597.94 × 84,941.76
  4. Step 4: Simplify right side
    145,365.60x = 17,039,142,075.97
  5. Step 5: Solve for x
    x = 17,039,142,075.97/145,365.60
  6. Step 6: Final answer
    x = 117,215.78

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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.