Home / 253,132.48-349,327.20-139,955.68

Finding the Fourth Proportional to 253,132.48, 349,327.20 and 139,955.68

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Solution

The fourth proportional to 253,132.48, 349,327.20 and 139,955.68 is: 193,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,132.48 : 349,327.20 = 139,955.68 : x
  2. Step 2: Convert to fraction form
    253,132.48/349,327.20 = 139,955.68/x
  3. Step 3: Cross multiply
    253,132.48x = 349,327.20 × 139,955.68
  4. Step 4: Simplify right side
    253,132.48x = 48,890,325,818.50
  5. Step 5: Solve for x
    x = 48,890,325,818.50/253,132.48
  6. Step 6: Final answer
    x = 193,141.26

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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.