Home / 118,429.38-163,430.58-64,713.24

Finding the Fourth Proportional to 118,429.38, 163,430.58 and 64,713.24

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Solution

The fourth proportional to 118,429.38, 163,430.58 and 64,713.24 is: 89,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429.38 : 163,430.58 = 64,713.24 : x
  2. Step 2: Convert to fraction form
    118,429.38/163,430.58 = 64,713.24/x
  3. Step 3: Cross multiply
    118,429.38x = 163,430.58 × 64,713.24
  4. Step 4: Simplify right side
    118,429.38x = 10,576,122,346.88
  5. Step 5: Solve for x
    x = 10,576,122,346.88/118,429.38
  6. Step 6: Final answer
    x = 89,303.20

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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.