Home / 140,484.60-210,543.03-122,670.36

Finding the Fourth Proportional to 140,484.60, 210,543.03 and 122,670.36

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Solution

The fourth proportional to 140,484.60, 210,543.03 and 122,670.36 is: 183,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,484.60 : 210,543.03 = 122,670.36 : x
  2. Step 2: Convert to fraction form
    140,484.60/210,543.03 = 122,670.36/x
  3. Step 3: Cross multiply
    140,484.60x = 210,543.03 × 122,670.36
  4. Step 4: Simplify right side
    140,484.60x = 25,827,389,285.59
  5. Step 5: Solve for x
    x = 25,827,389,285.59/140,484.60
  6. Step 6: Final answer
    x = 183,844.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.