Home / 126,354.52-174,396.54-86,164.21

Finding the Fourth Proportional to 126,354.52, 174,396.54 and 86,164.21

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Solution

The fourth proportional to 126,354.52, 174,396.54 and 86,164.21 is: 118,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,354.52 : 174,396.54 = 86,164.21 : x
  2. Step 2: Convert to fraction form
    126,354.52/174,396.54 = 86,164.21/x
  3. Step 3: Cross multiply
    126,354.52x = 174,396.54 × 86,164.21
  4. Step 4: Simplify right side
    126,354.52x = 15,026,740,095.83
  5. Step 5: Solve for x
    x = 15,026,740,095.83/126,354.52
  6. Step 6: Final answer
    x = 118,925.23

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1.5x scale

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.