Home / 251,009.28-346,397.04-137,842.56

Finding the Fourth Proportional to 251,009.28, 346,397.04 and 137,842.56

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Solution

The fourth proportional to 251,009.28, 346,397.04 and 137,842.56 is: 190,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,009.28 : 346,397.04 = 137,842.56 : x
  2. Step 2: Convert to fraction form
    251,009.28/346,397.04 = 137,842.56/x
  3. Step 3: Cross multiply
    251,009.28x = 346,397.04 × 137,842.56
  4. Step 4: Simplify right side
    251,009.28x = 47,748,254,770.02
  5. Step 5: Solve for x
    x = 47,748,254,770.02/251,009.28
  6. Step 6: Final answer
    x = 190,225.06

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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.