Home / 118,427.38-163,427.84-64,711.24

Finding the Fourth Proportional to 118,427.38, 163,427.84 and 64,711.24

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Solution

The fourth proportional to 118,427.38, 163,427.84 and 64,711.24 is: 89,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,427.38 : 163,427.84 = 64,711.24 : x
  2. Step 2: Convert to fraction form
    118,427.38/163,427.84 = 64,711.24/x
  3. Step 3: Cross multiply
    118,427.38x = 163,427.84 × 64,711.24
  4. Step 4: Simplify right side
    118,427.38x = 10,575,618,176.92
  5. Step 5: Solve for x
    x = 10,575,618,176.92/118,427.38
  6. Step 6: Final answer
    x = 89,300.45

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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.