Home / 147,345.08-221,019.20-117,949.78

Finding the Fourth Proportional to 147,345.08, 221,019.20 and 117,949.78

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Solution

The fourth proportional to 147,345.08, 221,019.20 and 117,949.78 is: 176,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,345.08 : 221,019.20 = 117,949.78 : x
  2. Step 2: Convert to fraction form
    147,345.08/221,019.20 = 117,949.78/x
  3. Step 3: Cross multiply
    147,345.08x = 221,019.20 × 117,949.78
  4. Step 4: Simplify right side
    147,345.08x = 26,069,166,015.78
  5. Step 5: Solve for x
    x = 26,069,166,015.78/147,345.08
  6. Step 6: Final answer
    x = 176,925.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.