Home / 141,088.40-194,709.08-77,425.68

Finding the Fourth Proportional to 141,088.40, 194,709.08 and 77,425.68

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Solution

The fourth proportional to 141,088.40, 194,709.08 and 77,425.68 is: 106,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,088.40 : 194,709.08 = 77,425.68 : x
  2. Step 2: Convert to fraction form
    141,088.40/194,709.08 = 77,425.68/x
  3. Step 3: Cross multiply
    141,088.40x = 194,709.08 × 77,425.68
  4. Step 4: Simplify right side
    141,088.40x = 15,075,482,921.17
  5. Step 5: Solve for x
    x = 15,075,482,921.17/141,088.40
  6. Step 6: Final answer
    x = 106,851.33

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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.