Home / 134,348.16-185,389.92-77,763.36

Finding the Fourth Proportional to 134,348.16, 185,389.92 and 77,763.36

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Solution

The fourth proportional to 134,348.16, 185,389.92 and 77,763.36 is: 107,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,348.16 : 185,389.92 = 77,763.36 : x
  2. Step 2: Convert to fraction form
    134,348.16/185,389.92 = 77,763.36/x
  3. Step 3: Cross multiply
    134,348.16x = 185,389.92 × 77,763.36
  4. Step 4: Simplify right side
    134,348.16x = 14,416,543,089.33
  5. Step 5: Solve for x
    x = 14,416,543,089.33/134,348.16
  6. Step 6: Final answer
    x = 107,307.34

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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.