Home / 221,581.91-305,746.98-130,925.27

Finding the Fourth Proportional to 221,581.91, 305,746.98 and 130,925.27

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Solution

The fourth proportional to 221,581.91, 305,746.98 and 130,925.27 is: 180,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,581.91 : 305,746.98 = 130,925.27 : x
  2. Step 2: Convert to fraction form
    221,581.91/305,746.98 = 130,925.27/x
  3. Step 3: Cross multiply
    221,581.91x = 305,746.98 × 130,925.27
  4. Step 4: Simplify right side
    221,581.91x = 40,030,005,908.18
  5. Step 5: Solve for x
    x = 40,030,005,908.18/221,581.91
  6. Step 6: Final answer
    x = 180,655.57

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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.