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Finding the Fourth Proportional to 189,032.99, 283,549.47 and 55,902.87

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Solution

The fourth proportional to 189,032.99, 283,549.47 and 55,902.87 is: 83,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,032.99 : 283,549.47 = 55,902.87 : x
  2. Step 2: Convert to fraction form
    189,032.99/283,549.47 = 55,902.87/x
  3. Step 3: Cross multiply
    189,032.99x = 283,549.47 × 55,902.87
  4. Step 4: Simplify right side
    189,032.99x = 15,851,229,159.98
  5. Step 5: Solve for x
    x = 15,851,229,159.98/189,032.99
  6. Step 6: Final answer
    x = 83,854.30

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1.5x scale

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.