Home / 252,237.20-348,089.72-139,064

Finding the Fourth Proportional to 252,237.20, 348,089.72 and 139,064

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Solution

The fourth proportional to 252,237.20, 348,089.72 and 139,064 is: 191,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,237.20 : 348,089.72 = 139,064 : x
  2. Step 2: Convert to fraction form
    252,237.20/348,089.72 = 139,064/x
  3. Step 3: Cross multiply
    252,237.20x = 348,089.72 × 139,064
  4. Step 4: Simplify right side
    252,237.20x = 48,406,748,822.08
  5. Step 5: Solve for x
    x = 48,406,748,822.08/252,237.20
  6. Step 6: Final answer
    x = 191,909.63

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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.