Home / 112,349.43-155,043.41-61,363.62

Finding the Fourth Proportional to 112,349.43, 155,043.41 and 61,363.62

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Solution

The fourth proportional to 112,349.43, 155,043.41 and 61,363.62 is: 84,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,349.43 : 155,043.41 = 61,363.62 : x
  2. Step 2: Convert to fraction form
    112,349.43/155,043.41 = 61,363.62/x
  3. Step 3: Cross multiply
    112,349.43x = 155,043.41 × 61,363.62
  4. Step 4: Simplify right side
    112,349.43x = 9,514,024,587.93
  5. Step 5: Solve for x
    x = 9,514,024,587.93/112,349.43
  6. Step 6: Final answer
    x = 84,682.45

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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.