Home / 141,396.48-195,130.89-76,870.08

Finding the Fourth Proportional to 141,396.48, 195,130.89 and 76,870.08

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Solution

The fourth proportional to 141,396.48, 195,130.89 and 76,870.08 is: 106,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,396.48 : 195,130.89 = 76,870.08 : x
  2. Step 2: Convert to fraction form
    141,396.48/195,130.89 = 76,870.08/x
  3. Step 3: Cross multiply
    141,396.48x = 195,130.89 × 76,870.08
  4. Step 4: Simplify right side
    141,396.48x = 14,999,727,124.77
  5. Step 5: Solve for x
    x = 14,999,727,124.77/141,396.48
  6. Step 6: Final answer
    x = 106,082.75

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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.