Home / 251,078.02-346,487.65-137,900.77

Finding the Fourth Proportional to 251,078.02, 346,487.65 and 137,900.77

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Solution

The fourth proportional to 251,078.02, 346,487.65 and 137,900.77 is: 190,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,078.02 : 346,487.65 = 137,900.77 : x
  2. Step 2: Convert to fraction form
    251,078.02/346,487.65 = 137,900.77/x
  3. Step 3: Cross multiply
    251,078.02x = 346,487.65 × 137,900.77
  4. Step 4: Simplify right side
    251,078.02x = 47,780,913,730.49
  5. Step 5: Solve for x
    x = 47,780,913,730.49/251,078.02
  6. Step 6: Final answer
    x = 190,303.05

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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.