Home / 130,465.14-180,036.84-73,876.66

Finding the Fourth Proportional to 130,465.14, 180,036.84 and 73,876.66

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Solution

The fourth proportional to 130,465.14, 180,036.84 and 73,876.66 is: 101,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,465.14 : 180,036.84 = 73,876.66 : x
  2. Step 2: Convert to fraction form
    130,465.14/180,036.84 = 73,876.66/x
  3. Step 3: Cross multiply
    130,465.14x = 180,036.84 × 73,876.66
  4. Step 4: Simplify right side
    130,465.14x = 13,300,520,416.15
  5. Step 5: Solve for x
    x = 13,300,520,416.15/130,465.14
  6. Step 6: Final answer
    x = 101,946.93

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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.