Home / 158,887.43-219,211.30-89,967.47

Finding the Fourth Proportional to 158,887.43, 219,211.30 and 89,967.47

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Solution

The fourth proportional to 158,887.43, 219,211.30 and 89,967.47 is: 124,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,887.43 : 219,211.30 = 89,967.47 : x
  2. Step 2: Convert to fraction form
    158,887.43/219,211.30 = 89,967.47/x
  3. Step 3: Cross multiply
    158,887.43x = 219,211.30 × 89,967.47
  4. Step 4: Simplify right side
    158,887.43x = 19,721,886,829.36
  5. Step 5: Solve for x
    x = 19,721,886,829.36/158,887.43
  6. Step 6: Final answer
    x = 124,124.90

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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.