Home / 108,138.34-148,147.05-104,095.24

Finding the Fourth Proportional to 108,138.34, 148,147.05 and 104,095.24

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Solution

The fourth proportional to 108,138.34, 148,147.05 and 104,095.24 is: 142,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,138.34 : 148,147.05 = 104,095.24 : x
  2. Step 2: Convert to fraction form
    108,138.34/148,147.05 = 104,095.24/x
  3. Step 3: Cross multiply
    108,138.34x = 148,147.05 × 104,095.24
  4. Step 4: Simplify right side
    108,138.34x = 15,421,402,725.04
  5. Step 5: Solve for x
    x = 15,421,402,725.04/108,138.34
  6. Step 6: Final answer
    x = 142,608.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.