Home / 234,632.48-323,649.44-139,075.20

Finding the Fourth Proportional to 234,632.48, 323,649.44 and 139,075.20

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Solution

The fourth proportional to 234,632.48, 323,649.44 and 139,075.20 is: 191,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,632.48 : 323,649.44 = 139,075.20 : x
  2. Step 2: Convert to fraction form
    234,632.48/323,649.44 = 139,075.20/x
  3. Step 3: Cross multiply
    234,632.48x = 323,649.44 × 139,075.20
  4. Step 4: Simplify right side
    234,632.48x = 45,011,610,597.89
  5. Step 5: Solve for x
    x = 45,011,610,597.89/234,632.48
  6. Step 6: Final answer
    x = 191,838.79

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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.