Home / 216,437.60-298,678.15-120,945.08

Finding the Fourth Proportional to 216,437.60, 298,678.15 and 120,945.08

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Solution

The fourth proportional to 216,437.60, 298,678.15 and 120,945.08 is: 166,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,437.60 : 298,678.15 = 120,945.08 : x
  2. Step 2: Convert to fraction form
    216,437.60/298,678.15 = 120,945.08/x
  3. Step 3: Cross multiply
    216,437.60x = 298,678.15 × 120,945.08
  4. Step 4: Simplify right side
    216,437.60x = 36,123,652,746.00
  5. Step 5: Solve for x
    x = 36,123,652,746.00/216,437.60
  6. Step 6: Final answer
    x = 166,901.00

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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.