Home / 114,971.47-172,370.84-77,426.15

Finding the Fourth Proportional to 114,971.47, 172,370.84 and 77,426.15

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Solution

The fourth proportional to 114,971.47, 172,370.84 and 77,426.15 is: 116,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,971.47 : 172,370.84 = 77,426.15 : x
  2. Step 2: Convert to fraction form
    114,971.47/172,370.84 = 77,426.15/x
  3. Step 3: Cross multiply
    114,971.47x = 172,370.84 × 77,426.15
  4. Step 4: Simplify right side
    114,971.47x = 13,346,009,264.48
  5. Step 5: Solve for x
    x = 13,346,009,264.48/114,971.47
  6. Step 6: Final answer
    x = 116,081.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.