Home / 291,741.39-437,612.09-70,125.39

Finding the Fourth Proportional to 291,741.39, 437,612.09 and 70,125.39

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Solution

The fourth proportional to 291,741.39, 437,612.09 and 70,125.39 is: 105,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,741.39 : 437,612.09 = 70,125.39 : x
  2. Step 2: Convert to fraction form
    291,741.39/437,612.09 = 70,125.39/x
  3. Step 3: Cross multiply
    291,741.39x = 437,612.09 × 70,125.39
  4. Step 4: Simplify right side
    291,741.39x = 30,687,718,129.34
  5. Step 5: Solve for x
    x = 30,687,718,129.34/291,741.39
  6. Step 6: Final answer
    x = 105,188.09

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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.