Home / 118,208.31-163,127.07-64,493.34

Finding the Fourth Proportional to 118,208.31, 163,127.07 and 64,493.34

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Solution

The fourth proportional to 118,208.31, 163,127.07 and 64,493.34 is: 89,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,208.31 : 163,127.07 = 64,493.34 : x
  2. Step 2: Convert to fraction form
    118,208.31/163,127.07 = 64,493.34/x
  3. Step 3: Cross multiply
    118,208.31x = 163,127.07 × 64,493.34
  4. Step 4: Simplify right side
    118,208.31x = 10,520,609,588.71
  5. Step 5: Solve for x
    x = 10,520,609,588.71/118,208.31
  6. Step 6: Final answer
    x = 89,000.59

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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.