Home / 118,287.47-163,237.01-64,572.53

Finding the Fourth Proportional to 118,287.47, 163,237.01 and 64,572.53

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Solution

The fourth proportional to 118,287.47, 163,237.01 and 64,572.53 is: 89,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,287.47 : 163,237.01 = 64,572.53 : x
  2. Step 2: Convert to fraction form
    118,287.47/163,237.01 = 64,572.53/x
  3. Step 3: Cross multiply
    118,287.47x = 163,237.01 × 64,572.53
  4. Step 4: Simplify right side
    118,287.47x = 10,540,625,586.29
  5. Step 5: Solve for x
    x = 10,540,625,586.29/118,287.47
  6. Step 6: Final answer
    x = 89,110.24

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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.