Home / 141,501.68-195,275.34-77,839.48

Finding the Fourth Proportional to 141,501.68, 195,275.34 and 77,839.48

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Solution

The fourth proportional to 141,501.68, 195,275.34 and 77,839.48 is: 107,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,501.68 : 195,275.34 = 77,839.48 : x
  2. Step 2: Convert to fraction form
    141,501.68/195,275.34 = 77,839.48/x
  3. Step 3: Cross multiply
    141,501.68x = 195,275.34 × 77,839.48
  4. Step 4: Simplify right side
    141,501.68x = 15,200,130,922.42
  5. Step 5: Solve for x
    x = 15,200,130,922.42/141,501.68
  6. Step 6: Final answer
    x = 107,420.14

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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.