Home / 251,256.11-346,746.71-142,381.58

Finding the Fourth Proportional to 251,256.11, 346,746.71 and 142,381.58

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Solution

The fourth proportional to 251,256.11, 346,746.71 and 142,381.58 is: 196,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,256.11 : 346,746.71 = 142,381.58 : x
  2. Step 2: Convert to fraction form
    251,256.11/346,746.71 = 142,381.58/x
  3. Step 3: Cross multiply
    251,256.11x = 346,746.71 × 142,381.58
  4. Step 4: Simplify right side
    251,256.11x = 49,370,343,051.82
  5. Step 5: Solve for x
    x = 49,370,343,051.82/251,256.11
  6. Step 6: Final answer
    x = 196,494.10

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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.