Home / 253,583.08-349,945.22-138,869.24

Finding the Fourth Proportional to 253,583.08, 349,945.22 and 138,869.24

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Solution

The fourth proportional to 253,583.08, 349,945.22 and 138,869.24 is: 191,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,583.08 : 349,945.22 = 138,869.24 : x
  2. Step 2: Convert to fraction form
    253,583.08/349,945.22 = 138,869.24/x
  3. Step 3: Cross multiply
    253,583.08x = 349,945.22 × 138,869.24
  4. Step 4: Simplify right side
    253,583.08x = 48,596,625,340.48
  5. Step 5: Solve for x
    x = 48,596,625,340.48/253,583.08
  6. Step 6: Final answer
    x = 191,639.86

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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.