Home / 210,720.28-290,557.51-134,118.04

Finding the Fourth Proportional to 210,720.28, 290,557.51 and 134,118.04

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Solution

The fourth proportional to 210,720.28, 290,557.51 and 134,118.04 is: 184,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,720.28 : 290,557.51 = 134,118.04 : x
  2. Step 2: Convert to fraction form
    210,720.28/290,557.51 = 134,118.04/x
  3. Step 3: Cross multiply
    210,720.28x = 290,557.51 × 134,118.04
  4. Step 4: Simplify right side
    210,720.28x = 38,969,003,748.48
  5. Step 5: Solve for x
    x = 38,969,003,748.48/210,720.28
  6. Step 6: Final answer
    x = 184,932.38

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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.