Home / 145,273.42-217,921.47-56,520.10

Finding the Fourth Proportional to 145,273.42, 217,921.47 and 56,520.10

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Solution

The fourth proportional to 145,273.42, 217,921.47 and 56,520.10 is: 84,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,273.42 : 217,921.47 = 56,520.10 : x
  2. Step 2: Convert to fraction form
    145,273.42/217,921.47 = 56,520.10/x
  3. Step 3: Cross multiply
    145,273.42x = 217,921.47 × 56,520.10
  4. Step 4: Simplify right side
    145,273.42x = 12,316,943,276.55
  5. Step 5: Solve for x
    x = 12,316,943,276.55/145,273.42
  6. Step 6: Final answer
    x = 84,784.56

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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.