Home / 145,548.14-200,840.18-81,884.57

Finding the Fourth Proportional to 145,548.14, 200,840.18 and 81,884.57

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Solution

The fourth proportional to 145,548.14, 200,840.18 and 81,884.57 is: 112,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,548.14 : 200,840.18 = 81,884.57 : x
  2. Step 2: Convert to fraction form
    145,548.14/200,840.18 = 81,884.57/x
  3. Step 3: Cross multiply
    145,548.14x = 200,840.18 × 81,884.57
  4. Step 4: Simplify right side
    145,548.14x = 16,445,710,364.40
  5. Step 5: Solve for x
    x = 16,445,710,364.40/145,548.14
  6. Step 6: Final answer
    x = 112,991.56

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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.