Home / 126,710.51-174,880.13-72,262.79

Finding the Fourth Proportional to 126,710.51, 174,880.13 and 72,262.79

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Solution

The fourth proportional to 126,710.51, 174,880.13 and 72,262.79 is: 99,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,710.51 : 174,880.13 = 72,262.79 : x
  2. Step 2: Convert to fraction form
    126,710.51/174,880.13 = 72,262.79/x
  3. Step 3: Cross multiply
    126,710.51x = 174,880.13 × 72,262.79
  4. Step 4: Simplify right side
    126,710.51x = 12,637,326,109.36
  5. Step 5: Solve for x
    x = 12,637,326,109.36/126,710.51
  6. Step 6: Final answer
    x = 99,733.84

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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.