Home / 118,216.27-163,138.08-64,501.21

Finding the Fourth Proportional to 118,216.27, 163,138.08 and 64,501.21

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Solution

The fourth proportional to 118,216.27, 163,138.08 and 64,501.21 is: 89,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,216.27 : 163,138.08 = 64,501.21 : x
  2. Step 2: Convert to fraction form
    118,216.27/163,138.08 = 64,501.21/x
  3. Step 3: Cross multiply
    118,216.27x = 163,138.08 × 64,501.21
  4. Step 4: Simplify right side
    118,216.27x = 10,522,603,557.08
  5. Step 5: Solve for x
    x = 10,522,603,557.08/118,216.27
  6. Step 6: Final answer
    x = 89,011.47

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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.