Home / 136,357.20-204,547.32-42,889.68

Finding the Fourth Proportional to 136,357.20, 204,547.32 and 42,889.68

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Solution

The fourth proportional to 136,357.20, 204,547.32 and 42,889.68 is: 64,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,357.20 : 204,547.32 = 42,889.68 : x
  2. Step 2: Convert to fraction form
    136,357.20/204,547.32 = 42,889.68/x
  3. Step 3: Cross multiply
    136,357.20x = 204,547.32 × 42,889.68
  4. Step 4: Simplify right side
    136,357.20x = 8,772,969,099.66
  5. Step 5: Solve for x
    x = 8,772,969,099.66/136,357.20
  6. Step 6: Final answer
    x = 64,338.14

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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.