Home / 228,071.14-342,054.73-85,931.13

Finding the Fourth Proportional to 228,071.14, 342,054.73 and 85,931.13

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Solution

The fourth proportional to 228,071.14, 342,054.73 and 85,931.13 is: 128,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,071.14 : 342,054.73 = 85,931.13 : x
  2. Step 2: Convert to fraction form
    228,071.14/342,054.73 = 85,931.13/x
  3. Step 3: Cross multiply
    228,071.14x = 342,054.73 × 85,931.13
  4. Step 4: Simplify right side
    228,071.14x = 29,393,149,470.74
  5. Step 5: Solve for x
    x = 29,393,149,470.74/228,071.14
  6. Step 6: Final answer
    x = 128,877.11

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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.