Home / 134,825.13-186,066.99-77,482.80

Finding the Fourth Proportional to 134,825.13, 186,066.99 and 77,482.80

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Solution

The fourth proportional to 134,825.13, 186,066.99 and 77,482.80 is: 106,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,825.13 : 186,066.99 = 77,482.80 : x
  2. Step 2: Convert to fraction form
    134,825.13/186,066.99 = 77,482.80/x
  3. Step 3: Cross multiply
    134,825.13x = 186,066.99 × 77,482.80
  4. Step 4: Simplify right side
    134,825.13x = 14,416,991,372.77
  5. Step 5: Solve for x
    x = 14,416,991,372.77/134,825.13
  6. Step 6: Final answer
    x = 106,931.04

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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.