Home / 253,159.02-349,350.03-139,983.66

Finding the Fourth Proportional to 253,159.02, 349,350.03 and 139,983.66

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Solution

The fourth proportional to 253,159.02, 349,350.03 and 139,983.66 is: 193,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,159.02 : 349,350.03 = 139,983.66 : x
  2. Step 2: Convert to fraction form
    253,159.02/349,350.03 = 139,983.66/x
  3. Step 3: Cross multiply
    253,159.02x = 349,350.03 × 139,983.66
  4. Step 4: Simplify right side
    253,159.02x = 48,903,295,820.51
  5. Step 5: Solve for x
    x = 48,903,295,820.51/253,159.02
  6. Step 6: Final answer
    x = 193,172.24

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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.