Home / 231,005.60-346,508.40-112,752.80

Finding the Fourth Proportional to 231,005.60, 346,508.40 and 112,752.80

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Solution

The fourth proportional to 231,005.60, 346,508.40 and 112,752.80 is: 169,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,005.60 : 346,508.40 = 112,752.80 : x
  2. Step 2: Convert to fraction form
    231,005.60/346,508.40 = 112,752.80/x
  3. Step 3: Cross multiply
    231,005.60x = 346,508.40 × 112,752.80
  4. Step 4: Simplify right side
    231,005.60x = 39,069,792,323.52
  5. Step 5: Solve for x
    x = 39,069,792,323.52/231,005.60
  6. Step 6: Final answer
    x = 169,129.20

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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.