Home / 118,281.52-163,226.10-64,566.37

Finding the Fourth Proportional to 118,281.52, 163,226.10 and 64,566.37

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Solution

The fourth proportional to 118,281.52, 163,226.10 and 64,566.37 is: 89,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.52 : 163,226.10 = 64,566.37 : x
  2. Step 2: Convert to fraction form
    118,281.52/163,226.10 = 64,566.37/x
  3. Step 3: Cross multiply
    118,281.52x = 163,226.10 × 64,566.37
  4. Step 4: Simplify right side
    118,281.52x = 10,538,916,766.26
  5. Step 5: Solve for x
    x = 10,538,916,766.26/118,281.52
  6. Step 6: Final answer
    x = 89,100.28

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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.