Home / 129,931.24-179,305.14-70,315.24

Finding the Fourth Proportional to 129,931.24, 179,305.14 and 70,315.24

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Solution

The fourth proportional to 129,931.24, 179,305.14 and 70,315.24 is: 97,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,931.24 : 179,305.14 = 70,315.24 : x
  2. Step 2: Convert to fraction form
    129,931.24/179,305.14 = 70,315.24/x
  3. Step 3: Cross multiply
    129,931.24x = 179,305.14 × 70,315.24
  4. Step 4: Simplify right side
    129,931.24x = 12,607,883,952.33
  5. Step 5: Solve for x
    x = 12,607,883,952.33/129,931.24
  6. Step 6: Final answer
    x = 97,035.05

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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.