Home / 127,682.30-176,199.91-70,320.53

Finding the Fourth Proportional to 127,682.30, 176,199.91 and 70,320.53

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Solution

The fourth proportional to 127,682.30, 176,199.91 and 70,320.53 is: 97,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.30 : 176,199.91 = 70,320.53 : x
  2. Step 2: Convert to fraction form
    127,682.30/176,199.91 = 70,320.53/x
  3. Step 3: Cross multiply
    127,682.30x = 176,199.91 × 70,320.53
  4. Step 4: Simplify right side
    127,682.30x = 12,390,470,000.35
  5. Step 5: Solve for x
    x = 12,390,470,000.35/127,682.30
  6. Step 6: Final answer
    x = 97,041.41

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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.