Home / 119,459.04-164,819.28-77,041.92

Finding the Fourth Proportional to 119,459.04, 164,819.28 and 77,041.92

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Solution

The fourth proportional to 119,459.04, 164,819.28 and 77,041.92 is: 106,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,459.04 : 164,819.28 = 77,041.92 : x
  2. Step 2: Convert to fraction form
    119,459.04/164,819.28 = 77,041.92/x
  3. Step 3: Cross multiply
    119,459.04x = 164,819.28 × 77,041.92
  4. Step 4: Simplify right side
    119,459.04x = 12,697,993,784.22
  5. Step 5: Solve for x
    x = 12,697,993,784.22/119,459.04
  6. Step 6: Final answer
    x = 106,295.80

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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.