Home / 118,244.09-163,134.10-91,028.50

Finding the Fourth Proportional to 118,244.09, 163,134.10 and 91,028.50

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Solution

The fourth proportional to 118,244.09, 163,134.10 and 91,028.50 is: 125,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,244.09 : 163,134.10 = 91,028.50 : x
  2. Step 2: Convert to fraction form
    118,244.09/163,134.10 = 91,028.50/x
  3. Step 3: Cross multiply
    118,244.09x = 163,134.10 × 91,028.50
  4. Step 4: Simplify right side
    118,244.09x = 14,849,852,421.85
  5. Step 5: Solve for x
    x = 14,849,852,421.85/118,244.09
  6. Step 6: Final answer
    x = 125,586.42

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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.