Home / 100,953.25-139,318.37-56,244.13

Finding the Fourth Proportional to 100,953.25, 139,318.37 and 56,244.13

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Solution

The fourth proportional to 100,953.25, 139,318.37 and 56,244.13 is: 77,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,953.25 : 139,318.37 = 56,244.13 : x
  2. Step 2: Convert to fraction form
    100,953.25/139,318.37 = 56,244.13/x
  3. Step 3: Cross multiply
    100,953.25x = 139,318.37 × 56,244.13
  4. Step 4: Simplify right side
    100,953.25x = 7,835,840,232.45
  5. Step 5: Solve for x
    x = 7,835,840,232.45/100,953.25
  6. Step 6: Final answer
    x = 77,618.50

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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.