Home / 75,148.23-103,702.01-42,884.63

Finding the Fourth Proportional to 75,148.23, 103,702.01 and 42,884.63

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Solution

The fourth proportional to 75,148.23, 103,702.01 and 42,884.63 is: 59,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,148.23 : 103,702.01 = 42,884.63 : x
  2. Step 2: Convert to fraction form
    75,148.23/103,702.01 = 42,884.63/x
  3. Step 3: Cross multiply
    75,148.23x = 103,702.01 × 42,884.63
  4. Step 4: Simplify right side
    75,148.23x = 4,447,222,276.72
  5. Step 5: Solve for x
    x = 4,447,222,276.72/75,148.23
  6. Step 6: Final answer
    x = 59,179.33

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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.