Home / 91,130.04-125,769.18-50,857.80

Finding the Fourth Proportional to 91,130.04, 125,769.18 and 50,857.80

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Solution

The fourth proportional to 91,130.04, 125,769.18 and 50,857.80 is: 70,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.04 : 125,769.18 = 50,857.80 : x
  2. Step 2: Convert to fraction form
    91,130.04/125,769.18 = 50,857.80/x
  3. Step 3: Cross multiply
    91,130.04x = 125,769.18 × 50,857.80
  4. Step 4: Simplify right side
    91,130.04x = 6,396,343,802.60
  5. Step 5: Solve for x
    x = 6,396,343,802.60/91,130.04
  6. Step 6: Final answer
    x = 70,189.19

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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.