Home / 103,975.56-143,486.28-56,228.92

Finding the Fourth Proportional to 103,975.56, 143,486.28 and 56,228.92

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Solution

The fourth proportional to 103,975.56, 143,486.28 and 56,228.92 is: 77,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,975.56 : 143,486.28 = 56,228.92 : x
  2. Step 2: Convert to fraction form
    103,975.56/143,486.28 = 56,228.92/x
  3. Step 3: Cross multiply
    103,975.56x = 143,486.28 × 56,228.92
  4. Step 4: Simplify right side
    103,975.56x = 8,068,078,200.50
  5. Step 5: Solve for x
    x = 8,068,078,200.50/103,975.56
  6. Step 6: Final answer
    x = 77,595.91

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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.