Home / 210,155.60-290,003.28-119,499.32

Finding the Fourth Proportional to 210,155.60, 290,003.28 and 119,499.32

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Solution

The fourth proportional to 210,155.60, 290,003.28 and 119,499.32 is: 164,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,155.60 : 290,003.28 = 119,499.32 : x
  2. Step 2: Convert to fraction form
    210,155.60/290,003.28 = 119,499.32/x
  3. Step 3: Cross multiply
    210,155.60x = 290,003.28 × 119,499.32
  4. Step 4: Simplify right side
    210,155.60x = 34,655,194,757.77
  5. Step 5: Solve for x
    x = 34,655,194,757.77/210,155.60
  6. Step 6: Final answer
    x = 164,902.55

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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.