Home / 77,177.22-115,774.14-24,574.40

Finding the Fourth Proportional to 77,177.22, 115,774.14 and 24,574.40

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Solution

The fourth proportional to 77,177.22, 115,774.14 and 24,574.40 is: 36,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,177.22 : 115,774.14 = 24,574.40 : x
  2. Step 2: Convert to fraction form
    77,177.22/115,774.14 = 24,574.40/x
  3. Step 3: Cross multiply
    77,177.22x = 115,774.14 × 24,574.40
  4. Step 4: Simplify right side
    77,177.22x = 2,845,080,417.34
  5. Step 5: Solve for x
    x = 2,845,080,417.34/77,177.22
  6. Step 6: Final answer
    x = 36,864.25

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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.