Home / 89,686.68-134,197.84-56,139.44

Finding the Fourth Proportional to 89,686.68, 134,197.84 and 56,139.44

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Solution

The fourth proportional to 89,686.68, 134,197.84 and 56,139.44 is: 84,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,686.68 : 134,197.84 = 56,139.44 : x
  2. Step 2: Convert to fraction form
    89,686.68/134,197.84 = 56,139.44/x
  3. Step 3: Cross multiply
    89,686.68x = 134,197.84 × 56,139.44
  4. Step 4: Simplify right side
    89,686.68x = 7,533,791,586.81
  5. Step 5: Solve for x
    x = 7,533,791,586.81/89,686.68
  6. Step 6: Final answer
    x = 84,001.23

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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.