Home / 118,572.39-163,631.18-64,856.23

Finding the Fourth Proportional to 118,572.39, 163,631.18 and 64,856.23

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Solution

The fourth proportional to 118,572.39, 163,631.18 and 64,856.23 is: 89,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,572.39 : 163,631.18 = 64,856.23 : x
  2. Step 2: Convert to fraction form
    118,572.39/163,631.18 = 64,856.23/x
  3. Step 3: Cross multiply
    118,572.39x = 163,631.18 × 64,856.23
  4. Step 4: Simplify right side
    118,572.39x = 10,612,501,198.31
  5. Step 5: Solve for x
    x = 10,612,501,198.31/118,572.39
  6. Step 6: Final answer
    x = 89,502.30

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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.