Home / 140,289.60-210,526.47-51,543.84

Finding the Fourth Proportional to 140,289.60, 210,526.47 and 51,543.84

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Solution

The fourth proportional to 140,289.60, 210,526.47 and 51,543.84 is: 77,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,289.60 : 210,526.47 = 51,543.84 : x
  2. Step 2: Convert to fraction form
    140,289.60/210,526.47 = 51,543.84/x
  3. Step 3: Cross multiply
    140,289.60x = 210,526.47 × 51,543.84
  4. Step 4: Simplify right side
    140,289.60x = 10,851,342,685.44
  5. Step 5: Solve for x
    x = 10,851,342,685.44/140,289.60
  6. Step 6: Final answer
    x = 77,349.59

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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.