Home / 101,500.02-140,070.30-56,181.15

Finding the Fourth Proportional to 101,500.02, 140,070.30 and 56,181.15

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Solution

The fourth proportional to 101,500.02, 140,070.30 and 56,181.15 is: 77,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,500.02 : 140,070.30 = 56,181.15 : x
  2. Step 2: Convert to fraction form
    101,500.02/140,070.30 = 56,181.15/x
  3. Step 3: Cross multiply
    101,500.02x = 140,070.30 × 56,181.15
  4. Step 4: Simplify right side
    101,500.02x = 7,869,310,534.85
  5. Step 5: Solve for x
    x = 7,869,310,534.85/101,500.02
  6. Step 6: Final answer
    x = 77,530.14

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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.