Home / 127,274.65-175,633.14-70,689.67

Finding the Fourth Proportional to 127,274.65, 175,633.14 and 70,689.67

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Solution

The fourth proportional to 127,274.65, 175,633.14 and 70,689.67 is: 97,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,274.65 : 175,633.14 = 70,689.67 : x
  2. Step 2: Convert to fraction form
    127,274.65/175,633.14 = 70,689.67/x
  3. Step 3: Cross multiply
    127,274.65x = 175,633.14 × 70,689.67
  4. Step 4: Simplify right side
    127,274.65x = 12,415,448,707.66
  5. Step 5: Solve for x
    x = 12,415,448,707.66/127,274.65
  6. Step 6: Final answer
    x = 97,548.48

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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.