Home / 162,071.10-223,661.70-89,473.77

Finding the Fourth Proportional to 162,071.10, 223,661.70 and 89,473.77

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Solution

The fourth proportional to 162,071.10, 223,661.70 and 89,473.77 is: 123,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,071.10 : 223,661.70 = 89,473.77 : x
  2. Step 2: Convert to fraction form
    162,071.10/223,661.70 = 89,473.77/x
  3. Step 3: Cross multiply
    162,071.10x = 223,661.70 × 89,473.77
  4. Step 4: Simplify right side
    162,071.10x = 20,011,855,503.61
  5. Step 5: Solve for x
    x = 20,011,855,503.61/162,071.10
  6. Step 6: Final answer
    x = 123,475.78

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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.