Home / 210,051.23-289,859.31-119,394.61

Finding the Fourth Proportional to 210,051.23, 289,859.31 and 119,394.61

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Solution

The fourth proportional to 210,051.23, 289,859.31 and 119,394.61 is: 164,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,051.23 : 289,859.31 = 119,394.61 : x
  2. Step 2: Convert to fraction form
    210,051.23/289,859.31 = 119,394.61/x
  3. Step 3: Cross multiply
    210,051.23x = 289,859.31 × 119,394.61
  4. Step 4: Simplify right side
    210,051.23x = 34,607,638,547.67
  5. Step 5: Solve for x
    x = 34,607,638,547.67/210,051.23
  6. Step 6: Final answer
    x = 164,758.09

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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.