Home / 145,124.20-217,602.49-56,273.91

Finding the Fourth Proportional to 145,124.20, 217,602.49 and 56,273.91

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Solution

The fourth proportional to 145,124.20, 217,602.49 and 56,273.91 is: 84,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,124.20 : 217,602.49 = 56,273.91 : x
  2. Step 2: Convert to fraction form
    145,124.20/217,602.49 = 56,273.91/x
  3. Step 3: Cross multiply
    145,124.20x = 217,602.49 × 56,273.91
  4. Step 4: Simplify right side
    145,124.20x = 12,245,342,938.04
  5. Step 5: Solve for x
    x = 12,245,342,938.04/145,124.20
  6. Step 6: Final answer
    x = 84,378.37

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1.5x scale

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.