Home / 225,000.18-310,500.15-123,026.16

Finding the Fourth Proportional to 225,000.18, 310,500.15 and 123,026.16

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Solution

The fourth proportional to 225,000.18, 310,500.15 and 123,026.16 is: 169,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,000.18 : 310,500.15 = 123,026.16 : x
  2. Step 2: Convert to fraction form
    225,000.18/310,500.15 = 123,026.16/x
  3. Step 3: Cross multiply
    225,000.18x = 310,500.15 × 123,026.16
  4. Step 4: Simplify right side
    225,000.18x = 38,199,641,133.92
  5. Step 5: Solve for x
    x = 38,199,641,133.92/225,000.18
  6. Step 6: Final answer
    x = 169,776.05

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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.