Home / 118,354.02-163,327.71-64,639.05

Finding the Fourth Proportional to 118,354.02, 163,327.71 and 64,639.05

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Solution

The fourth proportional to 118,354.02, 163,327.71 and 64,639.05 is: 89,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,354.02 : 163,327.71 = 64,639.05 : x
  2. Step 2: Convert to fraction form
    118,354.02/163,327.71 = 64,639.05/x
  3. Step 3: Cross multiply
    118,354.02x = 163,327.71 × 64,639.05
  4. Step 4: Simplify right side
    118,354.02x = 10,557,348,013.08
  5. Step 5: Solve for x
    x = 10,557,348,013.08/118,354.02
  6. Step 6: Final answer
    x = 89,201.43

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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.