Home / 101,748.52-140,427.30-56,436.58

Finding the Fourth Proportional to 101,748.52, 140,427.30 and 56,436.58

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Solution

The fourth proportional to 101,748.52, 140,427.30 and 56,436.58 is: 77,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,748.52 : 140,427.30 = 56,436.58 : x
  2. Step 2: Convert to fraction form
    101,748.52/140,427.30 = 56,436.58/x
  3. Step 3: Cross multiply
    101,748.52x = 140,427.30 × 56,436.58
  4. Step 4: Simplify right side
    101,748.52x = 7,925,236,550.63
  5. Step 5: Solve for x
    x = 7,925,236,550.63/101,748.52
  6. Step 6: Final answer
    x = 77,890.44

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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.