Home / 130,007.70-195,066.23-70,885.80

Finding the Fourth Proportional to 130,007.70, 195,066.23 and 70,885.80

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Solution

The fourth proportional to 130,007.70, 195,066.23 and 70,885.80 is: 106,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.70 : 195,066.23 = 70,885.80 : x
  2. Step 2: Convert to fraction form
    130,007.70/195,066.23 = 70,885.80/x
  3. Step 3: Cross multiply
    130,007.70x = 195,066.23 × 70,885.80
  4. Step 4: Simplify right side
    130,007.70x = 13,827,425,412.11
  5. Step 5: Solve for x
    x = 13,827,425,412.11/130,007.70
  6. Step 6: Final answer
    x = 106,358.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.