Home / 134,281.70-185,263.34-76,132.18

Finding the Fourth Proportional to 134,281.70, 185,263.34 and 76,132.18

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Solution

The fourth proportional to 134,281.70, 185,263.34 and 76,132.18 is: 105,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,281.70 : 185,263.34 = 76,132.18 : x
  2. Step 2: Convert to fraction form
    134,281.70/185,263.34 = 76,132.18/x
  3. Step 3: Cross multiply
    134,281.70x = 185,263.34 × 76,132.18
  4. Step 4: Simplify right side
    134,281.70x = 14,104,501,799.20
  5. Step 5: Solve for x
    x = 14,104,501,799.20/134,281.70
  6. Step 6: Final answer
    x = 105,036.66

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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.