Home / 247,077.90-340,967.34-133,900.65

Finding the Fourth Proportional to 247,077.90, 340,967.34 and 133,900.65

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Solution

The fourth proportional to 247,077.90, 340,967.34 and 133,900.65 is: 184,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,077.90 : 340,967.34 = 133,900.65 : x
  2. Step 2: Convert to fraction form
    247,077.90/340,967.34 = 133,900.65/x
  3. Step 3: Cross multiply
    247,077.90x = 340,967.34 × 133,900.65
  4. Step 4: Simplify right side
    247,077.90x = 45,655,748,454.77
  5. Step 5: Solve for x
    x = 45,655,748,454.77/247,077.90
  6. Step 6: Final answer
    x = 184,782.81

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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.