Home / 161,699.04-223,144.80-90,079.23

Finding the Fourth Proportional to 161,699.04, 223,144.80 and 90,079.23

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Solution

The fourth proportional to 161,699.04, 223,144.80 and 90,079.23 is: 124,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,699.04 : 223,144.80 = 90,079.23 : x
  2. Step 2: Convert to fraction form
    161,699.04/223,144.80 = 90,079.23/x
  3. Step 3: Cross multiply
    161,699.04x = 223,144.80 × 90,079.23
  4. Step 4: Simplify right side
    161,699.04x = 20,100,711,762.50
  5. Step 5: Solve for x
    x = 20,100,711,762.50/161,699.04
  6. Step 6: Final answer
    x = 124,309.41

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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.