Home / 134,345.46-185,423.24-77,023.28

Finding the Fourth Proportional to 134,345.46, 185,423.24 and 77,023.28

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Solution

The fourth proportional to 134,345.46, 185,423.24 and 77,023.28 is: 106,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,345.46 : 185,423.24 = 77,023.28 : x
  2. Step 2: Convert to fraction form
    134,345.46/185,423.24 = 77,023.28/x
  3. Step 3: Cross multiply
    134,345.46x = 185,423.24 × 77,023.28
  4. Step 4: Simplify right side
    134,345.46x = 14,281,906,133.03
  5. Step 5: Solve for x
    x = 14,281,906,133.03/134,345.46
  6. Step 6: Final answer
    x = 106,307.32

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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.