Home / 141,526.84-195,307.05-77,864.65

Finding the Fourth Proportional to 141,526.84, 195,307.05 and 77,864.65

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Solution

The fourth proportional to 141,526.84, 195,307.05 and 77,864.65 is: 107,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,526.84 : 195,307.05 = 77,864.65 : x
  2. Step 2: Convert to fraction form
    141,526.84/195,307.05 = 77,864.65/x
  3. Step 3: Cross multiply
    141,526.84x = 195,307.05 × 77,864.65
  4. Step 4: Simplify right side
    141,526.84x = 15,207,515,090.78
  5. Step 5: Solve for x
    x = 15,207,515,090.78/141,526.84
  6. Step 6: Final answer
    x = 107,453.22

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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.