Home / 158,901.96-219,105-101,465.76

Finding the Fourth Proportional to 158,901.96, 219,105 and 101,465.76

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Solution

The fourth proportional to 158,901.96, 219,105 and 101,465.76 is: 139,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,901.96 : 219,105 = 101,465.76 : x
  2. Step 2: Convert to fraction form
    158,901.96/219,105 = 101,465.76/x
  3. Step 3: Cross multiply
    158,901.96x = 219,105 × 101,465.76
  4. Step 4: Simplify right side
    158,901.96x = 22,231,655,344.80
  5. Step 5: Solve for x
    x = 22,231,655,344.80/158,901.96
  6. Step 6: Final answer
    x = 139,908.00

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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.