Home / 141,085.29-194,700.08-77,429.01

Finding the Fourth Proportional to 141,085.29, 194,700.08 and 77,429.01

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Solution

The fourth proportional to 141,085.29, 194,700.08 and 77,429.01 is: 106,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,085.29 : 194,700.08 = 77,429.01 : x
  2. Step 2: Convert to fraction form
    141,085.29/194,700.08 = 77,429.01/x
  3. Step 3: Cross multiply
    141,085.29x = 194,700.08 × 77,429.01
  4. Step 4: Simplify right side
    141,085.29x = 15,075,434,054.18
  5. Step 5: Solve for x
    x = 15,075,434,054.18/141,085.29
  6. Step 6: Final answer
    x = 106,853.34

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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.