Home / 118,359.28-163,334.93-64,644.32

Finding the Fourth Proportional to 118,359.28, 163,334.93 and 64,644.32

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Solution

The fourth proportional to 118,359.28, 163,334.93 and 64,644.32 is: 89,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,359.28 : 163,334.93 = 64,644.32 : x
  2. Step 2: Convert to fraction form
    118,359.28/163,334.93 = 64,644.32/x
  3. Step 3: Cross multiply
    118,359.28x = 163,334.93 × 64,644.32
  4. Step 4: Simplify right side
    118,359.28x = 10,558,675,482.10
  5. Step 5: Solve for x
    x = 10,558,675,482.10/118,359.28
  6. Step 6: Final answer
    x = 89,208.68

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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.