Home / 141,368.47-195,088.63-77,704.90

Finding the Fourth Proportional to 141,368.47, 195,088.63 and 77,704.90

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Solution

The fourth proportional to 141,368.47, 195,088.63 and 77,704.90 is: 107,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,368.47 : 195,088.63 = 77,704.90 : x
  2. Step 2: Convert to fraction form
    141,368.47/195,088.63 = 77,704.90/x
  3. Step 3: Cross multiply
    141,368.47x = 195,088.63 × 77,704.90
  4. Step 4: Simplify right side
    141,368.47x = 15,159,342,485.29
  5. Step 5: Solve for x
    x = 15,159,342,485.29/141,368.47
  6. Step 6: Final answer
    x = 107,232.84

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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.