Home / 210,095.28-289,969.08-125,217.72

Finding the Fourth Proportional to 210,095.28, 289,969.08 and 125,217.72

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Solution

The fourth proportional to 210,095.28, 289,969.08 and 125,217.72 is: 172,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,095.28 : 289,969.08 = 125,217.72 : x
  2. Step 2: Convert to fraction form
    210,095.28/289,969.08 = 125,217.72/x
  3. Step 3: Cross multiply
    210,095.28x = 289,969.08 × 125,217.72
  4. Step 4: Simplify right side
    210,095.28x = 36,309,267,068.10
  5. Step 5: Solve for x
    x = 36,309,267,068.10/210,095.28
  6. Step 6: Final answer
    x = 172,822.86

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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.