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Finding the Fourth Proportional to 107,133.58, 160,682.10 and 28,248.58

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Solution

The fourth proportional to 107,133.58, 160,682.10 and 28,248.58 is: 42,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,133.58 : 160,682.10 = 28,248.58 : x
  2. Step 2: Convert to fraction form
    107,133.58/160,682.10 = 28,248.58/x
  3. Step 3: Cross multiply
    107,133.58x = 160,682.10 × 28,248.58
  4. Step 4: Simplify right side
    107,133.58x = 4,539,041,156.42
  5. Step 5: Solve for x
    x = 4,539,041,156.42/107,133.58
  6. Step 6: Final answer
    x = 42,368.05

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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.