Home / 115,423.03-159,284.44-67,677.18

Finding the Fourth Proportional to 115,423.03, 159,284.44 and 67,677.18

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Solution

The fourth proportional to 115,423.03, 159,284.44 and 67,677.18 is: 93,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,423.03 : 159,284.44 = 67,677.18 : x
  2. Step 2: Convert to fraction form
    115,423.03/159,284.44 = 67,677.18/x
  3. Step 3: Cross multiply
    115,423.03x = 159,284.44 × 67,677.18
  4. Step 4: Simplify right side
    115,423.03x = 10,779,921,717.08
  5. Step 5: Solve for x
    x = 10,779,921,717.08/115,423.03
  6. Step 6: Final answer
    x = 93,394.89

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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.