Home / 126,388.36-174,417.13-71,937.87

Finding the Fourth Proportional to 126,388.36, 174,417.13 and 71,937.87

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Solution

The fourth proportional to 126,388.36, 174,417.13 and 71,937.87 is: 99,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388.36 : 174,417.13 = 71,937.87 : x
  2. Step 2: Convert to fraction form
    126,388.36/174,417.13 = 71,937.87/x
  3. Step 3: Cross multiply
    126,388.36x = 174,417.13 × 71,937.87
  4. Step 4: Simplify right side
    126,388.36x = 12,547,196,823.71
  5. Step 5: Solve for x
    x = 12,547,196,823.71/126,388.36
  6. Step 6: Final answer
    x = 99,274.94

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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.