Home / 126,859.04-175,065-70,269.20

Finding the Fourth Proportional to 126,859.04, 175,065 and 70,269.20

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Solution

The fourth proportional to 126,859.04, 175,065 and 70,269.20 is: 96,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,859.04 : 175,065 = 70,269.20 : x
  2. Step 2: Convert to fraction form
    126,859.04/175,065 = 70,269.20/x
  3. Step 3: Cross multiply
    126,859.04x = 175,065 × 70,269.20
  4. Step 4: Simplify right side
    126,859.04x = 12,301,677,498
  5. Step 5: Solve for x
    x = 12,301,677,498/126,859.04
  6. Step 6: Final answer
    x = 96,971.23

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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.