Home / 115,267.50-159,200.37-77,476.14

Finding the Fourth Proportional to 115,267.50, 159,200.37 and 77,476.14

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Solution

The fourth proportional to 115,267.50, 159,200.37 and 77,476.14 is: 107,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,267.50 : 159,200.37 = 77,476.14 : x
  2. Step 2: Convert to fraction form
    115,267.50/159,200.37 = 77,476.14/x
  3. Step 3: Cross multiply
    115,267.50x = 159,200.37 × 77,476.14
  4. Step 4: Simplify right side
    115,267.50x = 12,334,230,154.17
  5. Step 5: Solve for x
    x = 12,334,230,154.17/115,267.50
  6. Step 6: Final answer
    x = 107,005.27

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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.