Home / 216,151.47-298,282.77-120,656.07

Finding the Fourth Proportional to 216,151.47, 298,282.77 and 120,656.07

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Solution

The fourth proportional to 216,151.47, 298,282.77 and 120,656.07 is: 166,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,151.47 : 298,282.77 = 120,656.07 : x
  2. Step 2: Convert to fraction form
    216,151.47/298,282.77 = 120,656.07/x
  3. Step 3: Cross multiply
    216,151.47x = 298,282.77 × 120,656.07
  4. Step 4: Simplify right side
    216,151.47x = 35,989,626,776.91
  5. Step 5: Solve for x
    x = 35,989,626,776.91/216,151.47
  6. Step 6: Final answer
    x = 166,501.88

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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.