Home / 140,526.63-210,783.47-51,774.12

Finding the Fourth Proportional to 140,526.63, 210,783.47 and 51,774.12

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Solution

The fourth proportional to 140,526.63, 210,783.47 and 51,774.12 is: 77,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,526.63 : 210,783.47 = 51,774.12 : x
  2. Step 2: Convert to fraction form
    140,526.63/210,783.47 = 51,774.12/x
  3. Step 3: Cross multiply
    140,526.63x = 210,783.47 × 51,774.12
  4. Step 4: Simplify right side
    140,526.63x = 10,913,128,410.93
  5. Step 5: Solve for x
    x = 10,913,128,410.93/140,526.63
  6. Step 6: Final answer
    x = 77,658.79

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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.