Home / 76,236.50-105,203.35-42,246.43

Finding the Fourth Proportional to 76,236.50, 105,203.35 and 42,246.43

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Solution

The fourth proportional to 76,236.50, 105,203.35 and 42,246.43 is: 58,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,236.50 : 105,203.35 = 42,246.43 : x
  2. Step 2: Convert to fraction form
    76,236.50/105,203.35 = 42,246.43/x
  3. Step 3: Cross multiply
    76,236.50x = 105,203.35 × 42,246.43
  4. Step 4: Simplify right side
    76,236.50x = 4,444,465,751.34
  5. Step 5: Solve for x
    x = 4,444,465,751.34/76,236.50
  6. Step 6: Final answer
    x = 58,298.40

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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.