Home / 251,337.46-346,836.90-138,159.40

Finding the Fourth Proportional to 251,337.46, 346,836.90 and 138,159.40

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Solution

The fourth proportional to 251,337.46, 346,836.90 and 138,159.40 is: 190,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,337.46 : 346,836.90 = 138,159.40 : x
  2. Step 2: Convert to fraction form
    251,337.46/346,836.90 = 138,159.40/x
  3. Step 3: Cross multiply
    251,337.46x = 346,836.90 × 138,159.40
  4. Step 4: Simplify right side
    251,337.46x = 47,918,778,001.86
  5. Step 5: Solve for x
    x = 47,918,778,001.86/251,337.46
  6. Step 6: Final answer
    x = 190,655.14

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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.