Home / 189,461.16-261,341.64-112,929.26

Finding the Fourth Proportional to 189,461.16, 261,341.64 and 112,929.26

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Solution

The fourth proportional to 189,461.16, 261,341.64 and 112,929.26 is: 155,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,461.16 : 261,341.64 = 112,929.26 : x
  2. Step 2: Convert to fraction form
    189,461.16/261,341.64 = 112,929.26/x
  3. Step 3: Cross multiply
    189,461.16x = 261,341.64 × 112,929.26
  4. Step 4: Simplify right side
    189,461.16x = 29,513,116,705.68
  5. Step 5: Solve for x
    x = 29,513,116,705.68/189,461.16
  6. Step 6: Final answer
    x = 155,773.97

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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.