Home / 118,243.09-163,132.72-91,027.50

Finding the Fourth Proportional to 118,243.09, 163,132.72 and 91,027.50

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Solution

The fourth proportional to 118,243.09, 163,132.72 and 91,027.50 is: 125,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,243.09 : 163,132.72 = 91,027.50 : x
  2. Step 2: Convert to fraction form
    118,243.09/163,132.72 = 91,027.50/x
  3. Step 3: Cross multiply
    118,243.09x = 163,132.72 × 91,027.50
  4. Step 4: Simplify right side
    118,243.09x = 14,849,562,830.48
  5. Step 5: Solve for x
    x = 14,849,562,830.48/118,243.09
  6. Step 6: Final answer
    x = 125,585.04

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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.