Home / 102,554.62-141,525.39-56,614.30

Finding the Fourth Proportional to 102,554.62, 141,525.39 and 56,614.30

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Solution

The fourth proportional to 102,554.62, 141,525.39 and 56,614.30 is: 78,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,554.62 : 141,525.39 = 56,614.30 : x
  2. Step 2: Convert to fraction form
    102,554.62/141,525.39 = 56,614.30/x
  3. Step 3: Cross multiply
    102,554.62x = 141,525.39 × 56,614.30
  4. Step 4: Simplify right side
    102,554.62x = 8,012,360,887.08
  5. Step 5: Solve for x
    x = 8,012,360,887.08/102,554.62
  6. Step 6: Final answer
    x = 78,127.74

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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.