Home / 103,618.94-142,988.27-58,298.83

Finding the Fourth Proportional to 103,618.94, 142,988.27 and 58,298.83

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Solution

The fourth proportional to 103,618.94, 142,988.27 and 58,298.83 is: 80,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618.94 : 142,988.27 = 58,298.83 : x
  2. Step 2: Convert to fraction form
    103,618.94/142,988.27 = 58,298.83/x
  3. Step 3: Cross multiply
    103,618.94x = 142,988.27 × 58,298.83
  4. Step 4: Simplify right side
    103,618.94x = 8,336,048,195.76
  5. Step 5: Solve for x
    x = 8,336,048,195.76/103,618.94
  6. Step 6: Final answer
    x = 80,449.08

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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.