Home / 119,088.08-164,343.12-65,365.28

Finding the Fourth Proportional to 119,088.08, 164,343.12 and 65,365.28

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Solution

The fourth proportional to 119,088.08, 164,343.12 and 65,365.28 is: 90,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,088.08 : 164,343.12 = 65,365.28 : x
  2. Step 2: Convert to fraction form
    119,088.08/164,343.12 = 65,365.28/x
  3. Step 3: Cross multiply
    119,088.08x = 164,343.12 × 65,365.28
  4. Step 4: Simplify right side
    119,088.08x = 10,742,334,054.87
  5. Step 5: Solve for x
    x = 10,742,334,054.87/119,088.08
  6. Step 6: Final answer
    x = 90,204.95

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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.