Home / 158,824.45-219,031.47-107,913.40

Finding the Fourth Proportional to 158,824.45, 219,031.47 and 107,913.40

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Solution

The fourth proportional to 158,824.45, 219,031.47 and 107,913.40 is: 148,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,824.45 : 219,031.47 = 107,913.40 : x
  2. Step 2: Convert to fraction form
    158,824.45/219,031.47 = 107,913.40/x
  3. Step 3: Cross multiply
    158,824.45x = 219,031.47 × 107,913.40
  4. Step 4: Simplify right side
    158,824.45x = 23,636,430,634.70
  5. Step 5: Solve for x
    x = 23,636,430,634.70/158,824.45
  6. Step 6: Final answer
    x = 148,821.11

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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.