Home / 216,457.02-298,709.94-120,963.72

Finding the Fourth Proportional to 216,457.02, 298,709.94 and 120,963.72

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Solution

The fourth proportional to 216,457.02, 298,709.94 and 120,963.72 is: 166,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,457.02 : 298,709.94 = 120,963.72 : x
  2. Step 2: Convert to fraction form
    216,457.02/298,709.94 = 120,963.72/x
  3. Step 3: Cross multiply
    216,457.02x = 298,709.94 × 120,963.72
  4. Step 4: Simplify right side
    216,457.02x = 36,133,065,543.38
  5. Step 5: Solve for x
    x = 36,133,065,543.38/216,457.02
  6. Step 6: Final answer
    x = 166,929.52

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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.