Home / 126,370.32-174,461.08-86,143.16

Finding the Fourth Proportional to 126,370.32, 174,461.08 and 86,143.16

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Solution

The fourth proportional to 126,370.32, 174,461.08 and 86,143.16 is: 118,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,370.32 : 174,461.08 = 86,143.16 : x
  2. Step 2: Convert to fraction form
    126,370.32/174,461.08 = 86,143.16/x
  3. Step 3: Cross multiply
    126,370.32x = 174,461.08 × 86,143.16
  4. Step 4: Simplify right side
    126,370.32x = 15,028,628,728.21
  5. Step 5: Solve for x
    x = 15,028,628,728.21/126,370.32
  6. Step 6: Final answer
    x = 118,925.30

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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.