Home / 215,032.20-296,762.39-119,547.78

Finding the Fourth Proportional to 215,032.20, 296,762.39 and 119,547.78

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Solution

The fourth proportional to 215,032.20, 296,762.39 and 119,547.78 is: 164,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,032.20 : 296,762.39 = 119,547.78 : x
  2. Step 2: Convert to fraction form
    215,032.20/296,762.39 = 119,547.78/x
  3. Step 3: Cross multiply
    215,032.20x = 296,762.39 × 119,547.78
  4. Step 4: Simplify right side
    215,032.20x = 35,477,284,911.99
  5. Step 5: Solve for x
    x = 35,477,284,911.99/215,032.20
  6. Step 6: Final answer
    x = 164,985.92

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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.