Home / 138,833.18-191,446.58-118,756.52

Finding the Fourth Proportional to 138,833.18, 191,446.58 and 118,756.52

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Solution

The fourth proportional to 138,833.18, 191,446.58 and 118,756.52 is: 163,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,833.18 : 191,446.58 = 118,756.52 : x
  2. Step 2: Convert to fraction form
    138,833.18/191,446.58 = 118,756.52/x
  3. Step 3: Cross multiply
    138,833.18x = 191,446.58 × 118,756.52
  4. Step 4: Simplify right side
    138,833.18x = 22,735,528,946.36
  5. Step 5: Solve for x
    x = 22,735,528,946.36/138,833.18
  6. Step 6: Final answer
    x = 163,761.50

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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.