Home / 126,707.84-174,856.88-69,347.21

Finding the Fourth Proportional to 126,707.84, 174,856.88 and 69,347.21

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Solution

The fourth proportional to 126,707.84, 174,856.88 and 69,347.21 is: 95,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,707.84 : 174,856.88 = 69,347.21 : x
  2. Step 2: Convert to fraction form
    126,707.84/174,856.88 = 69,347.21/x
  3. Step 3: Cross multiply
    126,707.84x = 174,856.88 × 69,347.21
  4. Step 4: Simplify right side
    126,707.84x = 12,125,837,387.82
  5. Step 5: Solve for x
    x = 12,125,837,387.82/126,707.84
  6. Step 6: Final answer
    x = 95,699.19

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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.