Home / 253,191.02-349,399.37-140,013.77

Finding the Fourth Proportional to 253,191.02, 349,399.37 and 140,013.77

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Solution

The fourth proportional to 253,191.02, 349,399.37 and 140,013.77 is: 193,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,191.02 : 349,399.37 = 140,013.77 : x
  2. Step 2: Convert to fraction form
    253,191.02/349,399.37 = 140,013.77/x
  3. Step 3: Cross multiply
    253,191.02x = 349,399.37 × 140,013.77
  4. Step 4: Simplify right side
    253,191.02x = 48,920,721,632.36
  5. Step 5: Solve for x
    x = 48,920,721,632.36/253,191.02
  6. Step 6: Final answer
    x = 193,216.66

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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.