Home / 89,248.84-133,830.16-51,818.35

Finding the Fourth Proportional to 89,248.84, 133,830.16 and 51,818.35

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Solution

The fourth proportional to 89,248.84, 133,830.16 and 51,818.35 is: 77,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,248.84 : 133,830.16 = 51,818.35 : x
  2. Step 2: Convert to fraction form
    89,248.84/133,830.16 = 51,818.35/x
  3. Step 3: Cross multiply
    89,248.84x = 133,830.16 × 51,818.35
  4. Step 4: Simplify right side
    89,248.84x = 6,934,858,071.44
  5. Step 5: Solve for x
    x = 6,934,858,071.44/89,248.84
  6. Step 6: Final answer
    x = 77,702.50

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1.5x scale

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.