Home / 210,145.46-290,000.34-114,652.22

Finding the Fourth Proportional to 210,145.46, 290,000.34 and 114,652.22

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Solution

The fourth proportional to 210,145.46, 290,000.34 and 114,652.22 is: 158,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,145.46 : 290,000.34 = 114,652.22 : x
  2. Step 2: Convert to fraction form
    210,145.46/290,000.34 = 114,652.22/x
  3. Step 3: Cross multiply
    210,145.46x = 290,000.34 × 114,652.22
  4. Step 4: Simplify right side
    210,145.46x = 33,249,182,781.75
  5. Step 5: Solve for x
    x = 33,249,182,781.75/210,145.46
  6. Step 6: Final answer
    x = 158,219.85

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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.