Home / 118,344.17-163,316.25-64,630.77

Finding the Fourth Proportional to 118,344.17, 163,316.25 and 64,630.77

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Solution

The fourth proportional to 118,344.17, 163,316.25 and 64,630.77 is: 89,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,344.17 : 163,316.25 = 64,630.77 : x
  2. Step 2: Convert to fraction form
    118,344.17/163,316.25 = 64,630.77/x
  3. Step 3: Cross multiply
    118,344.17x = 163,316.25 × 64,630.77
  4. Step 4: Simplify right side
    118,344.17x = 10,555,254,620.94
  5. Step 5: Solve for x
    x = 10,555,254,620.94/118,344.17
  6. Step 6: Final answer
    x = 89,191.17

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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.