Home / 101,646.02-140,274.58-56,319.76

Finding the Fourth Proportional to 101,646.02, 140,274.58 and 56,319.76

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Solution

The fourth proportional to 101,646.02, 140,274.58 and 56,319.76 is: 77,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,646.02 : 140,274.58 = 56,319.76 : x
  2. Step 2: Convert to fraction form
    101,646.02/140,274.58 = 56,319.76/x
  3. Step 3: Cross multiply
    101,646.02x = 140,274.58 × 56,319.76
  4. Step 4: Simplify right side
    101,646.02x = 7,900,230,188.21
  5. Step 5: Solve for x
    x = 7,900,230,188.21/101,646.02
  6. Step 6: Final answer
    x = 77,722.97

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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.