Home / 216,419.02-298,657.61-120,925.79

Finding the Fourth Proportional to 216,419.02, 298,657.61 and 120,925.79

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Solution

The fourth proportional to 216,419.02, 298,657.61 and 120,925.79 is: 166,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,419.02 : 298,657.61 = 120,925.79 : x
  2. Step 2: Convert to fraction form
    216,419.02/298,657.61 = 120,925.79/x
  3. Step 3: Cross multiply
    216,419.02x = 298,657.61 × 120,925.79
  4. Step 4: Simplify right side
    216,419.02x = 36,115,407,428.76
  5. Step 5: Solve for x
    x = 36,115,407,428.76/216,419.02
  6. Step 6: Final answer
    x = 166,877.23

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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.