Home / 216,445.23-298,657.85-120,952.71

Finding the Fourth Proportional to 216,445.23, 298,657.85 and 120,952.71

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Solution

The fourth proportional to 216,445.23, 298,657.85 and 120,952.71 is: 166,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,445.23 : 298,657.85 = 120,952.71 : x
  2. Step 2: Convert to fraction form
    216,445.23/298,657.85 = 120,952.71/x
  3. Step 3: Cross multiply
    216,445.23x = 298,657.85 × 120,952.71
  4. Step 4: Simplify right side
    216,445.23x = 36,123,475,715.51
  5. Step 5: Solve for x
    x = 36,123,475,715.51/216,445.23
  6. Step 6: Final answer
    x = 166,894.30

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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.