Home / 146,242.90-219,432.39-66,266.74

Finding the Fourth Proportional to 146,242.90, 219,432.39 and 66,266.74

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Solution

The fourth proportional to 146,242.90, 219,432.39 and 66,266.74 is: 99,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,242.90 : 219,432.39 = 66,266.74 : x
  2. Step 2: Convert to fraction form
    146,242.90/219,432.39 = 66,266.74/x
  3. Step 3: Cross multiply
    146,242.90x = 219,432.39 × 66,266.74
  4. Step 4: Simplify right side
    146,242.90x = 14,541,069,135.71
  5. Step 5: Solve for x
    x = 14,541,069,135.71/146,242.90
  6. Step 6: Final answer
    x = 99,430.94

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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.