Home / 119,972.28-165,461.56-89,829.35

Finding the Fourth Proportional to 119,972.28, 165,461.56 and 89,829.35

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Solution

The fourth proportional to 119,972.28, 165,461.56 and 89,829.35 is: 123,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,972.28 : 165,461.56 = 89,829.35 : x
  2. Step 2: Convert to fraction form
    119,972.28/165,461.56 = 89,829.35/x
  3. Step 3: Cross multiply
    119,972.28x = 165,461.56 × 89,829.35
  4. Step 4: Simplify right side
    119,972.28x = 14,863,303,332.90
  5. Step 5: Solve for x
    x = 14,863,303,332.90/119,972.28
  6. Step 6: Final answer
    x = 123,889.48

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1.5x scale

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.