Home / 163,312.09-225,364.90-91,695.13

Finding the Fourth Proportional to 163,312.09, 225,364.90 and 91,695.13

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Solution

The fourth proportional to 163,312.09, 225,364.90 and 91,695.13 is: 126,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312.09 : 225,364.90 = 91,695.13 : x
  2. Step 2: Convert to fraction form
    163,312.09/225,364.90 = 91,695.13/x
  3. Step 3: Cross multiply
    163,312.09x = 225,364.90 × 91,695.13
  4. Step 4: Simplify right side
    163,312.09x = 20,664,863,802.94
  5. Step 5: Solve for x
    x = 20,664,863,802.94/163,312.09
  6. Step 6: Final answer
    x = 126,536.03

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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.