Home / 140,719.68-211,077.36-56,501.28

Finding the Fourth Proportional to 140,719.68, 211,077.36 and 56,501.28

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Solution

The fourth proportional to 140,719.68, 211,077.36 and 56,501.28 is: 84,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,719.68 : 211,077.36 = 56,501.28 : x
  2. Step 2: Convert to fraction form
    140,719.68/211,077.36 = 56,501.28/x
  3. Step 3: Cross multiply
    140,719.68x = 211,077.36 × 56,501.28
  4. Step 4: Simplify right side
    140,719.68x = 11,926,141,019.02
  5. Step 5: Solve for x
    x = 11,926,141,019.02/140,719.68
  6. Step 6: Final answer
    x = 84,751.05

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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.