Home / 210,039.15-289,842.48-119,382.51

Finding the Fourth Proportional to 210,039.15, 289,842.48 and 119,382.51

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Solution

The fourth proportional to 210,039.15, 289,842.48 and 119,382.51 is: 164,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,039.15 : 289,842.48 = 119,382.51 : x
  2. Step 2: Convert to fraction form
    210,039.15/289,842.48 = 119,382.51/x
  3. Step 3: Cross multiply
    210,039.15x = 289,842.48 × 119,382.51
  4. Step 4: Simplify right side
    210,039.15x = 34,602,122,767.02
  5. Step 5: Solve for x
    x = 34,602,122,767.02/210,039.15
  6. Step 6: Final answer
    x = 164,741.30

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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.