Home / 118,433.73-163,440.90-64,722.08

Finding the Fourth Proportional to 118,433.73, 163,440.90 and 64,722.08

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Solution

The fourth proportional to 118,433.73, 163,440.90 and 64,722.08 is: 89,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,433.73 : 163,440.90 = 64,722.08 : x
  2. Step 2: Convert to fraction form
    118,433.73/163,440.90 = 64,722.08/x
  3. Step 3: Cross multiply
    118,433.73x = 163,440.90 × 64,722.08
  4. Step 4: Simplify right side
    118,433.73x = 10,578,235,005.07
  5. Step 5: Solve for x
    x = 10,578,235,005.07/118,433.73
  6. Step 6: Final answer
    x = 89,317.76

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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.