Home / 145,325.24-218,071.98-61,078.76

Finding the Fourth Proportional to 145,325.24, 218,071.98 and 61,078.76

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Solution

The fourth proportional to 145,325.24, 218,071.98 and 61,078.76 is: 91,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,325.24 : 218,071.98 = 61,078.76 : x
  2. Step 2: Convert to fraction form
    145,325.24/218,071.98 = 61,078.76/x
  3. Step 3: Cross multiply
    145,325.24x = 218,071.98 × 61,078.76
  4. Step 4: Simplify right side
    145,325.24x = 13,319,566,129.14
  5. Step 5: Solve for x
    x = 13,319,566,129.14/145,325.24
  6. Step 6: Final answer
    x = 91,653.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.