Home / 134,320.17-185,368.07-77,720.57

Finding the Fourth Proportional to 134,320.17, 185,368.07 and 77,720.57

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Solution

The fourth proportional to 134,320.17, 185,368.07 and 77,720.57 is: 107,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,320.17 : 185,368.07 = 77,720.57 : x
  2. Step 2: Convert to fraction form
    134,320.17/185,368.07 = 77,720.57/x
  3. Step 3: Cross multiply
    134,320.17x = 185,368.07 × 77,720.57
  4. Step 4: Simplify right side
    134,320.17x = 14,406,911,671.60
  5. Step 5: Solve for x
    x = 14,406,911,671.60/134,320.17
  6. Step 6: Final answer
    x = 107,257.99

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