Home / 137,501.53-189,736.91-76,246.18

Finding the Fourth Proportional to 137,501.53, 189,736.91 and 76,246.18

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Solution

The fourth proportional to 137,501.53, 189,736.91 and 76,246.18 is: 105,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,501.53 : 189,736.91 = 76,246.18 : x
  2. Step 2: Convert to fraction form
    137,501.53/189,736.91 = 76,246.18/x
  3. Step 3: Cross multiply
    137,501.53x = 189,736.91 × 76,246.18
  4. Step 4: Simplify right side
    137,501.53x = 14,466,714,592.50
  5. Step 5: Solve for x
    x = 14,466,714,592.50/137,501.53
  6. Step 6: Final answer
    x = 105,211.30

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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.