Home / 126,315.77-174,316.08-68,955.13

Finding the Fourth Proportional to 126,315.77, 174,316.08 and 68,955.13

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Solution

The fourth proportional to 126,315.77, 174,316.08 and 68,955.13 is: 95,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,315.77 : 174,316.08 = 68,955.13 : x
  2. Step 2: Convert to fraction form
    126,315.77/174,316.08 = 68,955.13/x
  3. Step 3: Cross multiply
    126,315.77x = 174,316.08 × 68,955.13
  4. Step 4: Simplify right side
    126,315.77x = 12,019,988,398.51
  5. Step 5: Solve for x
    x = 12,019,988,398.51/126,315.77
  6. Step 6: Final answer
    x = 95,158.25

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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.