Home / 105,178.74-157,814.36-55,247.24

Finding the Fourth Proportional to 105,178.74, 157,814.36 and 55,247.24

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Solution

The fourth proportional to 105,178.74, 157,814.36 and 55,247.24 is: 82,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178.74 : 157,814.36 = 55,247.24 : x
  2. Step 2: Convert to fraction form
    105,178.74/157,814.36 = 55,247.24/x
  3. Step 3: Cross multiply
    105,178.74x = 157,814.36 × 55,247.24
  4. Step 4: Simplify right side
    105,178.74x = 8,718,807,822.37
  5. Step 5: Solve for x
    x = 8,718,807,822.37/105,178.74
  6. Step 6: Final answer
    x = 82,895.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.