Home / 116,826.60-160,881.12-101,506.08

Finding the Fourth Proportional to 116,826.60, 160,881.12 and 101,506.08

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Solution

The fourth proportional to 116,826.60, 160,881.12 and 101,506.08 is: 139,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,826.60 : 160,881.12 = 101,506.08 : x
  2. Step 2: Convert to fraction form
    116,826.60/160,881.12 = 101,506.08/x
  3. Step 3: Cross multiply
    116,826.60x = 160,881.12 × 101,506.08
  4. Step 4: Simplify right side
    116,826.60x = 16,330,411,837.21
  5. Step 5: Solve for x
    x = 16,330,411,837.21/116,826.60
  6. Step 6: Final answer
    x = 139,783.34

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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.