Home / 91,173.48-125,817.75-50,886.51

Finding the Fourth Proportional to 91,173.48, 125,817.75 and 50,886.51

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Solution

The fourth proportional to 91,173.48, 125,817.75 and 50,886.51 is: 70,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,173.48 : 125,817.75 = 50,886.51 : x
  2. Step 2: Convert to fraction form
    91,173.48/125,817.75 = 50,886.51/x
  3. Step 3: Cross multiply
    91,173.48x = 125,817.75 × 50,886.51
  4. Step 4: Simplify right side
    91,173.48x = 6,402,426,193.55
  5. Step 5: Solve for x
    x = 6,402,426,193.55/91,173.48
  6. Step 6: Final answer
    x = 70,222.46

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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.