Home / 152,641.84-210,403.09-120,324.06

Finding the Fourth Proportional to 152,641.84, 210,403.09 and 120,324.06

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Solution

The fourth proportional to 152,641.84, 210,403.09 and 120,324.06 is: 165,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,641.84 : 210,403.09 = 120,324.06 : x
  2. Step 2: Convert to fraction form
    152,641.84/210,403.09 = 120,324.06/x
  3. Step 3: Cross multiply
    152,641.84x = 210,403.09 × 120,324.06
  4. Step 4: Simplify right side
    152,641.84x = 25,316,554,025.35
  5. Step 5: Solve for x
    x = 25,316,554,025.35/152,641.84
  6. Step 6: Final answer
    x = 165,855.93

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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.