Home / 122,237.59-168,688.49-71,285.66

Finding the Fourth Proportional to 122,237.59, 168,688.49 and 71,285.66

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Solution

The fourth proportional to 122,237.59, 168,688.49 and 71,285.66 is: 98,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,237.59 : 168,688.49 = 71,285.66 : x
  2. Step 2: Convert to fraction form
    122,237.59/168,688.49 = 71,285.66/x
  3. Step 3: Cross multiply
    122,237.59x = 168,688.49 × 71,285.66
  4. Step 4: Simplify right side
    122,237.59x = 12,025,070,344.05
  5. Step 5: Solve for x
    x = 12,025,070,344.05/122,237.59
  6. Step 6: Final answer
    x = 98,374.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.