Home / 129,918.24-179,287.20-70,302.24

Finding the Fourth Proportional to 129,918.24, 179,287.20 and 70,302.24

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Solution

The fourth proportional to 129,918.24, 179,287.20 and 70,302.24 is: 97,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,918.24 : 179,287.20 = 70,302.24 : x
  2. Step 2: Convert to fraction form
    129,918.24/179,287.20 = 70,302.24/x
  3. Step 3: Cross multiply
    129,918.24x = 179,287.20 × 70,302.24
  4. Step 4: Simplify right side
    129,918.24x = 12,604,291,763.33
  5. Step 5: Solve for x
    x = 12,604,291,763.33/129,918.24
  6. Step 6: Final answer
    x = 97,017.11

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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.